Contributors per cycle
Accepted projects each year, against the median organization that year
View as table
| Ruby | Median organization | |
|---|---|---|
| 2016 | 12 | 4 |
| 2017 | 0 | 4 |
| 2018 | 5 | 3 |
| 2019 | 5 | 4 |
| 2020 | 4 | 4 |
| 2021 | 5 | 4 |
| 2022 | 3 | 3 |
| 2023 | 4 | 4 |
| 2024 | 0 | 4 |
| 2025 | 0 | 5 |
| 2026 | 5 | 4 |
In GSoC 2026Back after a break
Ruby
The Ruby organization collects mentors and students working on the Ruby language (MRI), the Ruby packaging system (Bundler, RubyGems, and RubyGems.org), and other Ruby projects. Any Ruby OSS project is eligible to be included in the Ruby GSOC organization.
Contributors in 2026
5
Not in 2025
Projects since 2016
43
5.4 a cycle on average
Cycles
8 of 11
First in 2016
Rank in 2026
#60
of 183, 0.4% of slots
Mentors
6
for 4 projects in 2023
Stack and topics
Each one has its own page of organizations and trends
Technologies
# Topics
Quick answers
- Is Ruby in GSoC 2026?
- Yes, with 5 contributors.
- How long has it taken part?
- 8 of 11 cycles since 2016, first in 2016.
- How many contributors does it usually take?
- 5.4 a cycle on average, 43 in total. Its largest cycle was 2016, with 12.
- What does it build with?
- Ruby, C, Java, Ruby On Rails, Rubygems, Bundler.
Accepted projects
5 projects in 2026 · All 43 projects since 2016
Eliminating Shim Methods via Method Rewriting in LowType
Aditya_Chauhan
LowType currently relies on shim methods to bypass type checking when disabled, adding persistent runtime overhead on every method call through...
Event Transparency Logs
Amisha Chhajed
RubyGems.org currently lacks transparency into critical package registry events such as gem publications, ownership changes, and deletions, making it...
Ruby Vulnerability Warnings on RubyGems
Harinish Sabapathi
Developers using Ruby gems have no official way to know when a gem they depend on has a known security vulnerability. This project integrates...
HTTP Streaming
Piyush-Goenka
This project addresses the absence of HTTP streaming support in the Rage framework, where responses are currently fully buffered before being sent to...
Bring Scarpe (shoes) to the TUI
TureCatedu
Building modern Text User Interfaces (TUIs) often forces developers to choose between writing complex, low-level terminal sequence code or adopting...
Scarpe on WASM
Giovanni BorghMentored by procmarco, Noah Gibbs, Nick Schwaderer
The project primary objective would be bypassing the current usage of the webview library in Scarpe, feeding directly the HTML and Javascript code to...
Reducing Garbage Collection Cost with Fibers in Ruby
Joyce ChenMentored by Samuel Williams
Ruby uses garbage collection (GC) to automatically reclaim memory that was allocated by a program, but no longer used. Consequently, users do not...
Hash Maps That Don’t Hate You: A Proposal For Fast, Insertion-Ordered Hash Maps in Truffleruby
Mostafa-M-KMentored by Benoit Daloze, Kevin Menard
The project this document proposes is that of implementing the hash map structure described in high level detail in the article Hash Maps That Don’t...
Scarpe
Pavan NambiMentored by procmarco, Noah Gibbs, Nick Schwaderer
Scarpe is a project designed to resurrect the shoes library using modern technology. This project aims to leverage an HTML/CSS/JS/RUBY stack to...
Optimizing Garbage Collection for Ruby Ractors
Rohit MenonMentored by Koichi Sasada
Ruby 3 introduced Ractors, which allow true concurrency in the language. However, Ruby's stop-the-world Garbage Collector (GC) pauses all of the...
RDoc generation from RBS
SushanthMentored by soutaro
Documentation refers to the additional text associated with a codebase to help developers and/or clients/users understand the code/use cases better....
Implementing Ruby 3.0 Pattern Matching in TruffleRuby
Raghu RanganathanMentored by Benoit Daloze, Duncan MacGregor
This project aims to improve feature parity between TruffleRuby and CRuby in places where full Ruby 3.0 feature parity has not been achieved, aiming...
Writing of RBS Files
Sushanth RaoMentored by soutaro
Writing of RBS Files Ruby is an extremely easy to use, syntactically elegant, dynamically typed language. Ruby announced the release of RBS, a...
Ractor-supported libraries
Rohit MenonMentored by Koichi Sasada
Ractor is a feature introduced in Ruby 3 that allows parallel execution. However, many Ruby libraries are currently not compatible with Ractor. This...
Optimize Kernel::require API for Ruby 3
Xinyu WangMentored by Koichi Sasada
The most frequently used Ruby Core APIs Kernel::require and Kernel::require_relative are doing the same work: it’s to resolve the file path, read the...
Tests for debugger
Naoto OnoMentored by Koichi Sasada
GSoC 2021 Proposal: Tests for debugger Overview debug.rb is a replacement of the traditional lib/debug.rb standard library which is implemented by...
GSOC 2020 Proposal for GemStash
Hac Duy Quang NguyenMentored by Luis Sagastume
Gemstash has long been serving as a private gem source for developers who wanted to inhabit a personal environment to update and develop their gems....
Brush up RBS and related tools for practical Rails apps
Tadashi SaitoMentored by Yusuke Endoh
RBS, a type annotation language and tool for Ruby, is about to be bundled with Ruby 3.0. Gradual typing with RBS allows Rubyists to enjoy the...
Add gem owner add and remove in web UI of rubygems.org
Pavan VachhaniMentored by Aditya Prakash-1
gem owner -a/r command is used to add or remove owners by an email. We will add options for adding/removing gem owners via Web UI. Additionally, we...
Allowing Type Checking in Method Signatures
AfrontMentored by Soutaro Matsumoto
Allows Rubyists to enforce a type into a parameter without any DSLs
Recursive tree view for gem dependencies
Nakul WarrierMentored by Qiu Chaofan, Aditya Prakash
This project would add a feature on the rubygems.org website to give an option on each gem web page to show a tree/DAG of all transitive dependencies...
A Rails 6 package transition in Debian
Jongmin KimMentored by srud, Tessy John
Upgrade the Rails to 6.0.0 and patch all 169 Debian packages that depend on the Rails to be compatible with Rails 6.0.0. Rails (Ruby on Rails) is one...
Integrate functionality from gem-web into RubyGems gem CLI
Matheus RichardMentored by zoras
Gem-web is a tool that capable of providing an interface that allows opening documentation, source code and website of a ruby gem. Integrating it on...
Adding Autocomplete Function in RubyGems.org Search UI
Shunji NishitaniMentored by Aditya Prakash, Hiren Mistry
In RubyGems.org website, we can search for any kinds of gems you want. However, most programmers use google or any other websites to look for gems...
Bundler and gem metrics, statistics and analytics
Or HadadMentored by indirect
Bundler includes some basic information in the User-Agent header during HTTP requests to gem servers, but this information is insufficient and...
Adding Type Annotations to Ruby Syntax
nicholaslyangMentored by Tony Arcieri
I would like to add type annotations to Ruby, per the ideas list. These annotations will serve as documentation and hopefully a way to implement...
Apply for the project of Ruby huge memory machine
Yimin ZhaoMentored by Koichi Sasada
Currently, several problems are known when Ruby program runs under a high memory workload, including slow rates for allocating memory and program...
Integrate functionality from bun
Agrim MittalMentored by segiddins
Having gone through bun and playing around with it, I found it to be a great tool for quick editing of Gemfiles. I would be integrating it into...
Add security vulnerability notifications in rubygems
Shlok SrivastavaMentored by Hiren Mistry, Saroj Maharjan (zoras)
This proposes the feature to generate security vulnerability notifications by gem authors for a specific gem version which have security issues....
Add multi-factor authentication to Rubygems.
Qiu ChaofanMentored by sonalkr132, André Arko
Currently gem command line tool and rubygems.org does not support any OTP authentication other than original email and password. This project tries...
Java ByteBuffer Support for Nio4r
Upekshe JayasekeraMentored by headius, Tony Arcieri, bai
Ruby has no native ByteArray or ByteBuffer types, unlike Java. While it'd be great to have something like this in core Ruby, the next best place...
Maintain Bundler: a very popular and widely-used open source project
allenzhaoMentored by RochesterinNYC, indirect
I will help with current contributors of bundler to help maintain the bundler projects and other related project under bundler. As a maintainer, my...
Optional types for Matz's Ruby Interpreter
RBMentored by Tony Arcieri, bai
Dynamic languages trade some of the compile-time safety properties of statically typed languages for greater flexibility for a programmer to write...
Move the Bundler API back into RubyGems.org
Aditya PrakashMentored by dwradcliffe, Arthur Neves
My project would re-implement the Bundler API on the Rails app that provides RubyGems.org. Bundler uses bundler-api to download dependency...
Implement UJS using native JavaScript
Dangyi LiuMentored by pixeltrix, bai
The goal of this project is to Rewrite UJS using native JavaScript, i.e., without jQuery. Add new features to UJS. Currently I have planned...
Cap'n Proto RPC implementation by wrapping c++
NemoNoboruMentored by bai
Cap'n Proto RPC implementation Project idea There is already a decent binding of Cap'n Proto in github but it doesn't have RPC. My project consist...
Rails: Support Auto-Completion in Web Console
HiroyukiMentored by gsamokovarov
Web Console is a debugging tool for the web apps built with Ruby on Rails. In order to debug, it provides an interactive Ruby session to the...
Rebuild bundler.io, the Bundler website
kruczjakMentored by indirect
Rebuild old, middleman based http://bundler.io website and make it more automated
Show 4 more projects
Maintain Bundler: a very popular and widely-used open source project
BoggsMentored by RochesterinNYC, indirect
As mentioned in the listing for Bundler-related ideas, "Once an open source project has taken off and become popular and widely used, writing code...
Plugin system
asutoshpalaiMentored by fotanus, segiddins
This is to develop a plugin system for bundler which can be used to add features like CLI commands, new sources for ruby gems and hooks for lifecycle...
Breaking changes for the 2.0 release
ChalkosMentored by indirect, segiddins
Everything that worked with Bundler 1.0 still works with Bundler 1.11, all new features from 1.0 to 1.11 have been incremental additions, without...
Automatic-selection mechanism for data structures in MRI
spinuteMentored by ko1
I will consider and conduct a survey about the data structures appropriate to the operations used in Ruby, and combine their merits by dynamically...
No accepted proposals or progress posts from Ruby contributors yet. Contributed here? Share yours.
Claim your projectOWASP Foundation
26 contributors in 2026 · 10 cycles
openSUSE Project
8 contributors in 2026 · 10 cycles
Eclipse Foundation
6 contributors in 2026 · 10 cycles
Debian
7 contributors in 2026 · 9 cycles
Data: Google Summer of Code public archive. Contributor counts are accepted projects.