Open Source

Ruby JavaScript Python R SQL Go


Chartkick

Create beautiful JavaScript charts with one line of Ruby

Ruby · 5.4k stars · 7M downloads


Searchkick

Intelligent search made easy with Rails and Elasticsearch

Ruby · 5.2k stars · 3M downloads


PgHero

A performance dashboard for Postgres

Ruby · 5.1k stars · 1M downloads


Groupdate

The simplest way to group temporal data

Ruby · 3k stars · 5M downloads


Ahoy

Analytics for Rails

Ruby · 2.9k stars · 1M downloads


Blazer

Business intelligence made simple

Ruby · 2.4k stars · 400k downloads


Strong Migrations

Catch unsafe migrations in development

Ruby · 1.9k stars · 5M downloads


The Ultimate Guide To Ruby Timeouts

Timeouts for popular Ruby gems

Ruby · 1.4k stars


Production Rails

Best practices for running Rails in production

Markdown · 1.3k stars


React Chartkick

Create beautiful JavaScript charts with one line of React

JavaScript · 1.1k stars


Chartkick.js

Create beautiful charts with one line of JavaScript

JavaScript · 1.1k stars


pgsync

Sync Postgres data between databases

Ruby · 866 stars · 70k downloads


Dexter

The automatic indexer for Postgres

Ruby · 860 stars · 7k downloads


Ahoy Email

Email analytics for Rails

Ruby · 799 stars · 600k downloads


Secure Rails

Rails security best practices

Markdown · 651 stars


Pretender

Log in as another user in Rails

Ruby · 647 stars · 1M downloads


pgslice

Postgres partitioning as easy as pie

Ruby · 616 stars · 20k downloads


Mailkick

Email subscriptions made easy

Ruby · 600 stars · 200k downloads


Vue Chartkick

Create beautiful JavaScript charts with one line of Vue

JavaScript · 575 stars


Eps

Machine learning for Ruby

Ruby · 492 stars · 6k downloads


Searchjoy

Search analytics made easy

Ruby · 416 stars · 600k downloads


Multiverse

Multiple databases for Rails :tada:

Ruby · 406 stars · 200k downloads


Hightop

A nice shortcut for group count queries

Ruby · 374 stars · 200k downloads


s3tk

A security toolkit for Amazon S3

Python · 356 stars


Ahoy.js

Simple, powerful JavaScript analytics

JavaScript · 301 stars


Safely

Rescue and report exceptions in non-critical code

Ruby · 290 stars · 2M downloads


Field Test

A/B testing for Rails

Ruby · 284 stars · 70k downloads


ActiveMedian

Median for Active Record, Mongoid, arrays, and hashes

Ruby · 266 stars · 400k downloads


Notable

Extraordinary insight into your users and background jobs

Ruby · 255 stars · 20k downloads


Lockbox

Modern encryption for Rails

Ruby · 250 stars · 40k downloads


Groupdate.sql

The simplest way to group temporal data

SQL · 244 stars


AuthTrail

Track Devise login activity

Ruby · 217 stars · 80k downloads


Blind Index

Securely search encrypted database fields

Ruby · 212 stars · 60k downloads


TensorFlow

TensorFlow - the end-to-end machine learning platform - for Ruby

Ruby · 207 stars · 1k downloads


Slowpoke

Rack::Timeout enhancements for Rails

Ruby · 201 stars · 200k downloads


Distribute Reads

Scale database reads to replicas in Rails

Ruby · 193 stars · 2M downloads


Jetpack

A friendly package manager for R

R · 188 stars


Swipeout

Swipe-to-delete goodness for the mobile web

JavaScript · 154 stars


PgHero.sql

Postgres insights made easy

SQL · 153 stars


KMS Encrypted

Simple, secure key management for Lockbox and attr_encrypted

Ruby · 148 stars · 40k downloads


dbx

A fast, easy-to-use database library for R

R · 129 stars


Torch-rb

Deep learning for Ruby, powered by LibTorch

Ruby · 125 stars · 1k downloads


Logstop

Keep personally identifiable information (PII) out of your logs

Ruby · 109 stars · 100k downloads


Hypershield

Shield sensitive data in Postgres and MySQL

Ruby · 84 stars · 6k downloads


Barkick

Barcodes made easy

Ruby · 82 stars · 100k downloads


Autosuggest

Autocomplete suggestions based on what your users search

Ruby · 80 stars · 5k downloads


Mapkick.js

Create beautiful, interactive maps with one line of JavaScript

JavaScript · 79 stars


Trend

Anomaly detection and forecasting for Ruby

Ruby · 76 stars · 700 downloads


MainStreet

Address verification for Ruby and Rails

Ruby · 73 stars · 6k downloads


pdscan

Scan your data stores for unencrypted personal data (PII)

Go · 71 stars


Anomaly

Easy-to-use anomaly detection

Ruby · 64 stars · 10k downloads


Ownership

Code ownership for Rails

Ruby · 62 stars · 2k downloads


Errbase

Common exception reporting for a variety of services

Ruby · 61 stars · 2M downloads


Guess

Statistical gender detection for Ruby

Ruby · 58 stars · 100k downloads


fastText

fastText - efficient text classification and representation learning - for Ruby

Ruby · 57 stars · 900 downloads


IP Anonymizer

IP address anonymizer for Ruby and Rails

Ruby · 47 stars · 20k downloads


Archer

Rails console history for Heroku, Docker, and more

Ruby · 45 stars · 1k downloads


XGBoost

High performance gradient boosting for Ruby

Ruby · 42 stars · 1k downloads


LightGBM

High performance gradient boosting for Ruby

Ruby · 41 stars · 3k downloads


str_enum

String enums for Rails

Ruby · 41 stars · 40k downloads


Vowpal Wabbit

Fast online machine learning for Ruby

Ruby · 33 stars · 600 downloads


Secure Spreadsheet

Encrypt and password protect sensitive CSV and XLSX files

JavaScript · 30 stars


xLearn

High performance factorization machines for Ruby

Ruby · 30 stars · 1k downloads


PLU

Price look-up codes made easy

Ruby · 29 stars · 80k downloads


Clockwork Web

A web interface for Clockwork

Ruby · 27 stars · 30k downloads


Notable Web

A web interface for Notable

HTML · 26 stars · 8k downloads


Cacheflow

Colorized logging for Memcached and Redis

Ruby · 25 stars · 10k downloads


MovieLens.sql

The MovieLens database in SQL

SQL · 23 stars


PgHero Logs

Slow query log parser for Postgres

Ruby · 22 stars · 3k downloads


Reversed

Reverse DNS / IP Lookup for Ruby

Ruby · 21 stars · 4k downloads


Bundle Benchmark

Because loading gems can take longer than you think

Ruby · 20 stars · 3k downloads


Camo

Ruby client for Camo - the SSL image proxy

Ruby · 20 stars · 10k downloads


ONNX Runtime

ONNX Runtime - the high performance scoring engine for ML models - for Ruby

Ruby · 20 stars · 2k downloads


NGT

High-speed approximate nearest neighbors for Ruby

Ruby · 19 stars · 1k downloads


Quirk

Build powerful predictive models with a few lines of code

Python · 16 stars


gindex

Concurrent index migrations for Rails

Ruby · 14 stars · 3k downloads


LIBMF

Large-scale sparse matrix factorization for Ruby

Ruby · 11 stars · 1k downloads


Npy

Save and load NumPy npy and npz files in Ruby

Ruby · 11 stars · 1k downloads


Rollbar

Error tracking for R

R · 9 stars


Safely.js

Catch and report exceptions in non-critical code

JavaScript · 9 stars


Datakick

Ruby client for Datakick - the open product database

Ruby · 8 stars · 2k downloads


GSLR

High performance linear regression for Ruby, powered by GSL

Ruby · 8 stars · 600 downloads


Drill Sergeant

Ruby client for Apache Drill

Ruby · 7 stars · 7k downloads


ThunderSVM

High performance parallel SVMs for Ruby

Ruby · 7 stars · 700 downloads


Benchmeth

The super easy way to benchmark methods in a live application

Ruby · 6 stars · 7k downloads


Carrot2

Ruby client for Carrot2 - the open-source document clustering server

Ruby · 6 stars · 4k downloads


t-SNE

High performance t-SNE for Ruby

Ruby · 6 stars · 200 downloads


heroku2dokku

Heroku -> Dokku in minutes

Ruby · 5 stars · 1k downloads


SCS

SCS - the splitting conic solver - for Ruby

Ruby · 5 stars · 1k downloads


OR-Tools

Operations research tools for Ruby

Ruby · 4 stars · 100 downloads


Argon2 KDF

Argon2 key derivation for Ruby

Ruby · 3 stars · 800 downloads


OSQP

OSQP (Operator Splitting Quadratic Program) solver for Ruby

Ruby · 2 stars · 300 downloads


delete_in_batches

The fastest way to delete 100k+ rows with ActiveRecord

Ruby · Archived


Moves

Ruby client for Moves

Ruby · Archived


Ahoy Events

Simple, powerful event tracking for Rails

Ruby · Archived


Katana

Manage multiple environments on Heroku with ease!

Ruby · Archived


TimeRange

Time ranges for Ruby

Ruby · Archived


Active Job Backport

Active Job backported to Rails 4.0 and 4.1

Ruby · Archived


Frontrunner

Webpack for Rails

Ruby · Archived


Cached Attributes

Super simple caching for Ruby

Ruby · Archived


Postjoy

Postal codes made easy

Ruby · Archived


Lightcore

Lightweight Ruby core extensions

Ruby · Archived


EsHero

Elasticsearch insights made easy

HTML · Archived


Median.sql

Median function for PostgreSQL

SQL · Archived


Scrub Params

Safer Rails parameters by default

Ruby · Archived


Cache Reduce

A simple, powerful pattern for caching data

Ruby · Archived