Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

Top 0.1% on rubygems.org
Top 0.1% downloads on rubygems.org
Top 0.2% dependent packages on rubygems.org
Top 0.1% dependent repos on rubygems.org
Top 0.1% forks on rubygems.org
Top 0.1% docker downloads on rubygems.org

rubygems.org : activejob

Declare job classes that can be run by a variety of queuing backends.

Registry - Source - Homepage - Documentation - JSON
purl: pkg:gem/activejob
Keywords: activejob, activerecord, framework, html, mvc, rails, ruby
License: MIT
Latest release: 4 months ago
First release: almost 10 years ago
Dependent packages: 223
Dependent repositories: 514,279
Downloads: 432,423,774 total
Stars: 54,844 on GitHub
Forks: 21,283 on GitHub
Docker dependents: 1,240
Docker downloads: 815,192,755
Total Commits: 67223
Committers: 6084
Average commits per author: 11.049
Development Distribution Score (DDS): 0.935
More commit stats: commits.ecosyste.ms
See more repository details: repos.ecosyste.ms
Last synced: 11 days ago

canvas_sync 0.19.4
Gem for generating Canvas models and migrations and syncing data from Canvas
180 versions - Latest release: about 3 hours ago - 1 dependent package - 277 thousand downloads total - 4 maintainers
Top 1.3% on rubygems.org
rspec-sidekiq 5.0.0
Simple testing of Sidekiq jobs via a collection of matchers and helpers
26 versions - Latest release: about 6 hours ago - 38 dependent packages - 1,035 dependent repositories - 35.9 million downloads total - 624 stars on GitHub - 2 maintainers
Top 8.4% on rubygems.org
bullet_train-outgoing_webhooks 1.7.5
Allow users of your Rails application to subscribe and receive webhooks when activity takes place...
125 versions - Latest release: 1 day ago - 27 dependent repositories - 221 thousand downloads total - 29 stars on GitHub - 3 maintainers
translated 0.2.0
Simple, automatic translations for your Rails app.
2 versions - Latest release: 6 days ago - 186 downloads total - 1 stars on GitHub - 1 maintainer
Top 4.1% on rubygems.org
opentelemetry-instrumentation-sidekiq 0.25.4
Sidekiq instrumentation for the OpenTelemetry framework
34 versions - Latest release: 6 days ago - 2 dependent packages - 19 dependent repositories - 9.55 million downloads total - 72 stars on GitHub - 1 maintainer
workhorse 1.2.18
Multi-threaded job backend with database queuing for ruby.
57 versions - Latest release: 9 days ago - 66.9 thousand downloads total - 4 maintainers
Top 8.6% on rubygems.org
delayed 0.5.4
Delayed is a multi-threaded, SQL-driven ActiveJob backend used at Betterment to process millions ...
10 versions - Latest release: 15 days ago - 26 dependent repositories - 208 thousand downloads total - 148 stars on GitHub - 4 maintainers
journaled 5.3.2
A Rails engine to durably deliver schematized events to Amazon Kinesis via DelayedJob.
28 versions - Latest release: 16 days ago - 294 thousand downloads total - 13 stars on GitHub - 5 maintainers
Top 3.3% on rubygems.org
good_job 3.28.2 💰
A multithreaded, Postgres-based ActiveJob backend for Ruby on Rails
222 versions - Latest release: 19 days ago - 2 dependent packages - 57 dependent repositories - 1.48 million downloads total - 2,453 stars on GitHub - 1 maintainer
Top 1.0% on rubygems.org
spree_core 4.7.3
Spree Models, Helpers, Services and core libraries
314 versions - Latest release: 21 days ago - 394 dependent packages - 3,562 dependent repositories - 2.36 million downloads total - 12,673 stars on GitHub - 2 maintainers
tally_jobs 0.0.1
Collect all params of the same jobs within an interval time then enqueue that job only one time.
1 version - Latest release: 22 days ago - 138 downloads total - 0 stars on GitHub - 1 maintainer
flipper-notifications 0.1.4
Rails-compatible Slack notifications for Flipper feature flags
5 versions - Latest release: 27 days ago - 1 dependent repositories - 4.1 thousand downloads total - 5 stars on GitHub - 1 maintainer
Top 4.6% on rubygems.org
activejob-status 1.0.2
Monitor your jobs
18 versions - Latest release: 27 days ago - 3 dependent packages - 41 dependent repositories - 807 thousand downloads total - 122 stars on GitHub - 1 maintainer
Top 7.3% on rubygems.org
maintenance_tasks 2.7.0
A Rails engine for queuing and managing maintenance tasks
33 versions - Latest release: 29 days ago - 1 dependent package - 3 dependent repositories - 1.96 million downloads total - 843 stars on GitHub - 1 maintainer
sidekiq_job_controller 0.1.0
Sidekiq middleware that allows for immediate control over job processing in Sidekiq, providing to...
1 version - Latest release: about 1 month ago - 4.71 thousand downloads total - 15 stars on GitHub - 1 maintainer
Top 2.2% on rubygems.org
alchemy_cms 7.1.7 💰
Alchemy is a powerful, userfriendly and flexible Rails CMS.
295 versions - Latest release: about 1 month ago - 24 dependent packages - 88 dependent repositories - 788 thousand downloads total - 810 stars on GitHub - 2 maintainers
servitium 1.3.0
An implementation of the command pattern for Ruby
3 versions - Latest release: about 1 month ago - 2 dependent packages - 1 dependent repositories - 1.28 thousand downloads total - 2 maintainers
Top 0.8% on rubygems.org
solidus_core 4.3.4 💰
Essential models, mailers, and classes for the Solidus e-commerce project.
187 versions - Latest release: about 1 month ago - 112 dependent packages - 593 dependent repositories - 2.53 million downloads total - 4,820 stars on GitHub - 8 maintainers
Top 7.0% on rubygems.org
shipit-engine 0.39.0
Application deployment software
78 versions - Latest release: about 1 month ago - 6 dependent repositories - 155 thousand downloads total - 1,392 stars on GitHub - 1 maintainer
inst_data_shipper 0.2.3
Gem for uploading app data to Instructure CustomDev Hosted Data tooling
6 versions - Latest release: about 2 months ago - 927 downloads total - 1 maintainer
table_sync 6.5.0
DB Table synchronization between microservices based on Model's event system and RabbitMQ messaging
36 versions - Latest release: about 2 months ago - 1 dependent package - 1 dependent repositories - 320 thousand downloads total - 24 stars on GitHub - 1 maintainer
solid_queue 0.3.0
Database-backed Active Job backend.
7 versions - Latest release: about 2 months ago - 6 dependent packages - 60.1 thousand downloads total - 1,460 stars on GitHub - 2 maintainers
solid_cache 0.6.0
A database backed ActiveSupport::Cache::Store
11 versions - Latest release: about 2 months ago - 2 dependent repositories - 135 thousand downloads total - 724 stars on GitHub - 9 maintainers
rails_ops 1.5.5
An operations service layer for rails projects.
86 versions - Latest release: 2 months ago - 1 dependent repositories - 106 thousand downloads total - 2 maintainers
test_track_rails_client 7.1.1
Easy split testing and feature flagging for Rails with TestTrack server
73 versions - Latest release: 2 months ago - 1 dependent repositories - 519 thousand downloads total - 37 stars on GitHub - 5 maintainers
lev 12.1.0
Ride the rails but don't touch them.
41 versions - Latest release: 2 months ago - 4 dependent packages - 13 dependent repositories - 103 thousand downloads total - 2 stars on GitHub - 2 maintainers
Top 5.1% on rubygems.org
yabeda-sidekiq 0.12.0
Prometheus exporter for easy collecting most important of your Sidekiq metrics
14 versions - Latest release: 2 months ago - 1 dependent package - 26 dependent repositories - 1.98 million downloads total - 117 stars on GitHub - 2 maintainers
Top 0.9% on rubygems.org
turbo-rails 2.0.5
The speed of a single-page web application without having to write any JavaScript.
58 versions - Latest release: 2 months ago - 79 dependent packages - 23,271 dependent repositories - 20.9 million downloads total - 1,984 stars on GitHub - 2 maintainers
internal-affairs 1.1.2
Internal Affairs integration helper
5 versions - Latest release: 2 months ago - 11.6 thousand downloads total - 2 maintainers
Top 3.5% on rubygems.org
dynflow 1.8.3
Ruby workflow/orchestration engine
105 versions - Latest release: 2 months ago - 10 dependent packages - 52 dependent repositories - 699 thousand downloads total - 120 stars on GitHub - 5 maintainers
grape-app 0.11.3
Standalone Grape API apps
43 versions - Latest release: 3 months ago - 1 dependent package - 2 dependent repositories - 124 thousand downloads total - 6 stars on GitHub - 1 maintainer
ae_active_job_state 1.3.0
Store ActiveJob status in ActiveRecord
9 versions - Latest release: 3 months ago - 15 thousand downloads total - 0 stars on GitHub - 1 maintainer
Top 6.4% on rubygems.org
gush 3.0.0
Gush is a parallel workflow runner using Redis as storage and ActiveJob for executing jobs.
22 versions - Latest release: 3 months ago - 1 dependent package - 3 dependent repositories - 146 thousand downloads total - 1,024 stars on GitHub - 1 maintainer
railstea 7.2.1
Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable pr...
3 versions - Latest release: 3 months ago - 403 downloads total - 0 stars on GitHub - 1 maintainer
hard_notifier 0.1.1
New Era Notifier
2 versions - Latest release: 3 months ago - 1 dependent package - 296 downloads total - 0 stars on GitHub - 1 maintainer
readymade 0.4.0
Set of base classes for ABDI architecture
24 versions - Latest release: 3 months ago - 2 dependent repositories - 28.6 thousand downloads total - 9 stars on GitHub - 1 maintainer
hekenga 1.1.0
Sophisticated migration framework for mongoid, with the ability to parallelise via ActiveJob.
23 versions - Latest release: 3 months ago - 64 thousand downloads total - 3 stars on GitHub - 1 maintainer
sidekiq_publisher 5.0.0
Publisher for enqueuing jobs to Sidekiq
38 versions - Latest release: 3 months ago - 59.4 thousand downloads total - 21 stars on GitHub - 5 maintainers
rails-fast-cache 0.0.1
Drop-in improvement for Rails cache
1 version - Latest release: 3 months ago - 185 downloads total - 1 maintainer
Top 1.4% on rubygems.org
lockbox 1.3.3
Modern encryption for Ruby and Rails
45 versions - Latest release: 3 months ago - 16 dependent packages - 808 dependent repositories - 26 million downloads total - 1,350 stars on GitHub - 1 maintainer
marj 6.0.0
Marj (Minimal ActiveRecord Jobs) is a minimal database-backed ActiveJob queueing backend.
10 versions - Latest release: 3 months ago - 3.2 thousand downloads total - 3 stars on GitHub - 1 maintainer
super_spreader 0.2.1
Provides tools for managing resource-efficient backfills of large datasets via ActiveJob
4 versions - Latest release: 3 months ago - 1.11 thousand downloads total - 14 stars on GitHub - 3 maintainers
Top 2.2% on rubygems.org
rails_event_store 2.14.0
Rails wrapper for RubyEventStore with batteries included. Ships with asynchronous after-commit ev...
101 versions - Latest release: 4 months ago - 8 dependent packages - 68 dependent repositories - 5.81 million downloads total - 1,378 stars on GitHub - 6 maintainers
Top 4.9% on rubygems.org
faktory_worker_ruby 2.0.0
Ruby worker for Faktory.
16 versions - Latest release: 4 months ago - 1 dependent package - 20 dependent repositories - 308 thousand downloads total - 209 stars on GitHub - 2 maintainers
Top 0.1% on rubygems.org
rails 7.1.3
Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable pr...
465 versions - Latest release: 4 months ago - 13,628 dependent packages - 908,495 dependent repositories - 516 million downloads total - 54,844 stars on GitHub - 12 maintainers
Top 0.7% on rubygems.org
actionmailbox 7.1.3
Receive and process incoming emails in Rails applications.
100 versions - Latest release: 4 months ago - 5 dependent packages - 165,669 dependent repositories - 196 million downloads total - 54,844 stars on GitHub - 12 maintainers
Top 0.1% on rubygems.org
activestorage 7.1.3
Attach cloud and local files in Rails applications.
130 versions - Latest release: 4 months ago - 65 dependent packages - 289,858 dependent repositories - 277 million downloads total - 54,844 stars on GitHub - 12 maintainers
Top 0.1% on rubygems.org
actionmailer 7.1.3
Email on Rails. Compose, deliver, and test emails using the familiar controller/view pattern. Fir...
460 versions - Latest release: 4 months ago - 336 dependent packages - 866,614 dependent repositories - 499 million downloads total - 54,844 stars on GitHub - 12 maintainers
dis 1.1.14
Dis is a Rails plugin that stores your file uploads and other binary blobs.
23 versions - Latest release: 4 months ago - 2 dependent packages - 5 dependent repositories - 55.3 thousand downloads total - 1 stars on GitHub - 1 maintainer
sidekiq-serialized_current_attributes 0.1.2
Serialize CurrentAttributes for Sidekiq
3 versions - Latest release: 4 months ago - 1.44 thousand downloads total - 0 stars on GitHub - 1 maintainer
Top 1.7% on rubygems.org
active_storage_validations 1.1.4 💰
Validations for Active Storage (presence)
42 versions - Latest release: 5 months ago - 6 dependent packages - 1,879 dependent repositories - 13.6 million downloads total - 972 stars on GitHub - 1 maintainer
rukawa 0.9.2
Hyper simple job workflow engine
18 versions - Latest release: 5 months ago - 1 dependent repositories - 33.8 thousand downloads total - 122 stars on GitHub - 1 maintainer
exekutor 0.1.2
PostgreSQL backed active job adapter which uses `LISTEN/NOTIFY` to listen for jobs and `FOR UPDAT...
3 versions - Latest release: 5 months ago - 1.04 thousand downloads total - 0 stars on GitHub - 1 maintainer
mote_sms 2.0.0
Unofficial ruby adapter for Swisscom and MobileTechnics Bulk SMS APIs. T...
25 versions - Latest release: 5 months ago - 47.9 thousand downloads total - 1 stars on GitHub - 2 maintainers
easyhooks 1.0.3
Easyhooks is a simple gem to that allows you to create hooks in your ActiveRecord models.
2 versions - Latest release: 6 months ago - 305 downloads total - 31 stars on GitHub - 1 maintainer
Top 4.2% on rubygems.org
opentelemetry-instrumentation-active_job 0.7.1
ActiveJob instrumentation for the OpenTelemetry framework
17 versions - Latest release: 6 months ago - 2 dependent packages - 17 dependent repositories - 6.31 million downloads total - 72 stars on GitHub - 1 maintainer
Top 5.2% on rubygems.org
card 1.106.0
Cards are wiki-inspired data atoms.Card "Sharks" use links, nests, types, patterned names, querie...
125 versions - Latest release: 6 months ago - 60 dependent packages - 15 dependent repositories - 256 thousand downloads total - 55 stars on GitHub - 2 maintainers
hearthside-mentionable 0.2.0 💰
Webmention sending and receiving for Rails projects.
2 versions - Latest release: 6 months ago - 773 downloads total - 35 stars on GitHub - 1 maintainer
skiplock 1.1.5
High performance ActiveJob Queue Adapter for PostgreSQL that provides maximum reliability and ACI...
28 versions - Latest release: 6 months ago - 34.1 thousand downloads total - 10 stars on GitHub - 1 maintainer
arj 0.0.5 removed
Active Record Job
5 versions - Latest release: 6 months ago - 681 downloads total - 2 stars on GitHub - 1 maintainer
Top 8.7% on rubygems.org
sidecloq 0.5.0
Recurring / Periodic / Scheduled / Cron job extension for Sidekiq
18 versions - Latest release: 6 months ago - 6 dependent repositories - 250 thousand downloads total - 86 stars on GitHub - 1 maintainer
active_job-performs 0.3.0 💰
ActiveJob::Performs adds the `performs` macro to set up jobs by convention.
4 versions - Latest release: 6 months ago - 1 dependent package - 1 dependent repositories - 8.58 thousand downloads total - 122 stars on GitHub - 1 maintainer
webhook_system 2.4.1
A pluggable webhook subscription system
21 versions - Latest release: 7 months ago - 69 thousand downloads total - 10 stars on GitHub - 3 maintainers
Top 4.5% on rubygems.org
activejob-uniqueness 0.3.1
Ensure uniqueness of your ActiveJob jobs
13 versions - Latest release: 7 months ago - 1 dependent package - 51 dependent repositories - 3.25 million downloads total - 247 stars on GitHub - 2 maintainers
active_job_store 0.5.0 💰
ActiveJob Store permits to store jobs state and custom data on a database
6 versions - Latest release: 7 months ago - 2.69 thousand downloads total - 2 stars on GitHub - 1 maintainer
overlastic 0.11.0
Fantastically easy overlays using Hotwire. Bring your dialog modals and slide-out panes to life.
18 versions - Latest release: 7 months ago - 15.6 thousand downloads total - 14 stars on GitHub - 1 maintainer
zaikio-jwt_auth 2.8.1
JWT-Based authentication and authorization with Zaikio.
39 versions - Latest release: 8 months ago - 1 dependent package - 2 dependent repositories - 54.5 thousand downloads total - 1 stars on GitHub - 2 maintainers
sqewer 9.0.0
A full-featured library for all them SQS worker needs
46 versions - Latest release: 8 months ago - 188 thousand downloads total - 29 stars on GitHub - 4 maintainers
html_to 1.1.3
Simple gem for transforms html page through chromium headless to image.
8 versions - Latest release: 8 months ago - 8.07 thousand downloads total - 2 stars on GitHub - 1 maintainer
dipa 0.1.0.pre.3
This gem provides an API for parallel processing like the parallel gem but distributed and scalab...
3 versions - Latest release: 8 months ago - 1.26 thousand downloads total - 0 stars on codeberg.org - 1 maintainer
Top 5.1% on rubygems.org
job-iteration 1.4.1
Makes your background jobs interruptible and resumable.
35 versions - Latest release: 8 months ago - 1 dependent package - 5 dependent repositories - 2.77 million downloads total - 1,020 stars on GitHub - 1 maintainer
state_machine_job 3.2.0
State Machine + Active Job
9 versions - Latest release: 8 months ago - 4 dependent packages - 11 dependent repositories - 37.2 thousand downloads total - 1 stars on GitHub - 2 maintainers
acidic_job 0.9.0 💰
Idempotent operations for Rails apps, built on top of ActiveJob.
75 versions - Latest release: 10 months ago - 1 dependent repositories - 85.3 thousand downloads total - 394 stars on GitHub - 1 maintainer
activejob-traceable 0.4.2
Patches ActiveJob to add trace_id attribute.
11 versions - Latest release: 10 months ago - 1 dependent repositories - 274 thousand downloads total - 4 stars on GitHub - 1 maintainer
ductr 0.2.3
A data pipeline and ETL framework for ruby.
7 versions - Latest release: 11 months ago - 2 dependent packages - 1 dependent repositories - 2.51 thousand downloads total - 1 stars on GitHub - 1 maintainer
ownership 0.3.0
Code ownership for Rails
5 versions - Latest release: 11 months ago - 198 thousand downloads total - 116 stars on GitHub - 1 maintainer
dynamodb-sidekiq-scheduler 0.0.1
Light weight job scheduling extension for Sidekiq that adds support for queueing jobs in a recurr...
4 versions - Latest release: 11 months ago - 3.59 thousand downloads total - 1,681 stars on GitHub - 1 maintainer
activejob-lockable 0.3.0
Prevents jobs from enqueuing with unique arguments for a certain period of time
5 versions - Latest release: 11 months ago - 192 thousand downloads total - 8 stars on GitHub - 1 maintainer
Top 1.2% on rubygems.org
sidekiq-scheduler 5.0.3
Light weight job scheduling extension for Sidekiq that adds support for queueing jobs in a recurr...
67 versions - Latest release: 12 months ago - 11 dependent packages - 1,285 dependent repositories - 27.7 million downloads total - 1,676 stars on GitHub - 5 maintainers
create_update_destroy_async 0.1.1 💰
Execute create/update/destroy operations asynchronously in your Rails app
2 versions - Latest release: about 1 year ago - 788 downloads total - 10 stars on GitHub - 1 maintainer
neeto-monitor-ruby 1.0.42
A gem interface for the neetoMonitor API
1 version - Latest release: about 1 year ago - 448 downloads total - 1 maintainer
active_job_cloud_tasks 1.0.0
ActiveJob Adapter for Google Cloud Tasks
1 version - Latest release: about 1 year ago - 442 downloads total - 1 maintainer
active_resourceable 0.0.2
A tiny framework built on top of Rails in order to help developers focus on writing important bus...
3 versions - Latest release: about 1 year ago - 1.28 thousand downloads total - 1 stars on GitHub - 1 maintainer
datadog-notifications 0.7.2
Datadog instrumentation for ActiveSupport::Notifications
28 versions - Latest release: about 1 year ago - 1 dependent repositories - 138 thousand downloads total - 6 stars on GitHub - 1 maintainer
active_interaction-extras 1.1.0
Extensions for active_interaction gem
11 versions - Latest release: about 1 year ago - 1 dependent repositories - 123 thousand downloads total - 46 stars on GitHub - 1 maintainer
alarmable 1.1.0
This is a reusable alarm concern for Active Recordmodels. It adds support for the automatic maint...
5 versions - Latest release: about 1 year ago - 7.35 thousand downloads total - 1 stars on GitHub - 1 maintainer
fleiss 0.5.1
Run background jobs with your favourite stack.
16 versions - Latest release: over 1 year ago - 1 dependent repositories - 36.7 thousand downloads total - 3 stars on GitHub - 1 maintainer
shinq 1.3.0
Worker and enqueuer for Q4M using the interface of ActiveJob.
20 versions - Latest release: over 1 year ago - 1 dependent repositories - 73.1 thousand downloads total - 17 stars on GitHub - 2 maintainers
zaikio-loom 1.4.0
The Zaikio Loom Ruby Gem simplifies publishing events on the Zaikio Loom event system.
11 versions - Latest release: over 1 year ago - 21.8 thousand downloads total - 0 stars on GitHub - 3 maintainers
Top 6.7% on rubygems.org
distribute_reads 0.4.0
Scale database reads with replicas in Rails
15 versions - Latest release: over 1 year ago - 6 dependent repositories - 8.19 million downloads total - 346 stars on GitHub - 1 maintainer
lambdakiq 2.2.0
Scalable Rails Background Processing with AWS Lambda & SQS.
10 versions - Latest release: over 1 year ago - 3 dependent repositories - 34.7 thousand downloads total - 178 stars on GitHub - 1 maintainer
say_when 2.2.1
Scheduling system for programmatically defined and stored jobs.
18 versions - Latest release: over 1 year ago - 3 dependent repositories - 41.1 thousand downloads total - 4 stars on GitHub - 3 maintainers
activejob-dispatch_rider 2.4.1
'ActiveJob::DispatchRider' adds `DispatchRider` support for `ActiveJob`.
9 versions - Latest release: over 1 year ago - 36 thousand downloads total - 1 stars on GitHub - 2 maintainers
turbo-train-test 0.1.11 removed
Rails Turbo broadcasting over SSE instead of WebSockets. Uses Mercure server.
10 versions - Latest release: over 1 year ago - 550 downloads total - 1 maintainer
actionslack 0.1.2
actionslack
3 versions - Latest release: over 1 year ago - 3.83 thousand downloads total - 0 stars on GitHub - 1 maintainer
jobify 0.3.0
Turn any method into a background job (`jobify :hello_world` generates `def perform_hello_world_l...
4 versions - Latest release: over 1 year ago - 1 dependent repositories - 1.73 thousand downloads total - 1 stars on GitHub - 1 maintainer
executo 0.3.12
Executes commands on remote servers
1 version - Latest release: over 1 year ago - 573 downloads total - 2 maintainers
active_job-inlined 0.1.0 💰
ActiveJob::Inlined lets you run jobs inline within other jobs.
1 version - Latest release: over 1 year ago - 1 dependent repositories - 732 downloads total - 7 stars on GitHub - 1 maintainer
Top 3.4% on rubygems.org
crono 2.0.1
A time-based background job scheduler daemon (just like Cron) for Rails
24 versions - Latest release: over 1 year ago - 2 dependent packages - 94 dependent repositories - 447 thousand downloads total - 683 stars on GitHub - 1 maintainer
zaikio-webhooks 0.2.0
Handle incoming Zaikio loom webhooks
13 versions - Latest release: over 1 year ago - 2 dependent repositories - 23.9 thousand downloads total - 1 stars on GitHub - 2 maintainers