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ruby

94 indexed repositories · View on GitHub

rubygems
Library packaging and distribution for Ruby.

Ruby · 3968 stars
rake
A make-like build utility for Ruby.

Ruby · 2459 stars
rbs
The type signature language for Ruby

Ruby · 2181 stars
did_you_mean
The gem that has been saving people from typos since 2014

Ruby · 1881 stars
prism
Prism Ruby parser

C · 1033 stars
setup-ruby
An action to download a prebuilt Ruby and add it to the PATH in 5 seconds

JavaScript · 990 stars
www.ruby-lang.org
Source of the https://www.ruby-lang.org website.

HTML · 944 stars
rdoc
RDoc produces HTML and online documentation for Ruby projects.

Ruby · 930 stars
ruby.wasm
ruby.wasm is a collection of WebAssembly ports of the CRuby.

Ruby · 875 stars
typeprof
An experimental type-level Ruby interpreter for testing and understanding Ruby code

Ruby · 833 stars
json
JSON implementation for Ruby

Ruby · 782 stars
spec
The Ruby Spec Suite aka ruby/spec

Ruby · 622 stars
psych
A libyaml wrapper for Ruby

Ruby · 597 stars
racc
Racc is an LALR(1) parser generator. It is written in Ruby itself, and generates ruby programs.

Yacc · 569 stars
irb
interactive Ruby

Ruby · 478 stars
syntax_suggest
Searching for unexpected `end` syntax errors takes a lot of time. Let this gem do it for you!

Ruby · 350 stars
webrick
HTTP server toolkit

Ruby · 327 stars
lrama
Pure Ruby LALR parser generator

Ruby · 318 stars
reline
The compatible library with the API of Ruby's stdlib 'readline'

Ruby · 311 stars
gem_rbs_collection
A collection of RBS for gems.

Ruby · 303 stars
74 more repositories live on View on GitHub

Beginner friendly Everything

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XPath underscored function name is wrongly accepted Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ruby/rexml#352 · Opened Jul 18, 2026
XPath function name typo silently ignored Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ruby/rexml#351 · Opened Jul 18, 2026
XPath silently ignores erroneous evaluation where a nodeset is required Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ruby/rexml#350 · Opened Jul 18, 2026
Loose and strict XPath variables/namespaces Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/rexml#349 · Opened Jul 18, 2026
lobsters: fixture DB ships without planner statistics; one misplanned query dominates several routes Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

ruby/ruby-bench#527 · 1 comment · 1 reaction · Opened Jul 17, 2026
Enabling TruffleRuby on CI Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

ruby/reline#909 · Opened Jul 16, 2026
Daily log rotation silently skipped on JRuby/Windows with logger 1.6.6 (File.identical?(lock, @dev) is false after fixup_mode) Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

ruby/logger#165 · Opened Jul 16, 2026
Empty DOM attribute crashes tokenizer Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

ruby/net-http#311 · 3 comments · Opened Jul 11, 2026
Expose XOFs like SHAKE128 and SHAKE256 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ruby/openssl#1082 · 4 comments · Opened Jul 8, 2026
`URI::MailTo.build` does not percent-encode addresses (contrary to RFC 6068) Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

ruby/uri#238 · Opened Jul 4, 2026
HTTPS proxy connection (p_use_ssl/proxy_use_ssl) does not verify the proxy's certificate Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

ruby/net-http#308 · Opened Jul 2, 2026
irb install was broken on JRuby 10+ for 6 weeks due to broken rdoc/rbs Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ruby/irb#1226 · 2 reactions · Opened Jun 29, 2026
WASM performance improvements Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ruby/rbs#3017 · Opened Jun 26, 2026
A feature to check enabled/disabled PQC signature algorithms, key exchange groups considering OpenSSL config Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/openssl#1075 · 4 comments · Opened Jun 26, 2026
Add support for content addressable gems Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/rubygems#9654 · 2 comments · Opened Jun 26, 2026
C parser drops docs under namespace variables defined in another file Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

ruby/rdoc#1744 · Opened Jun 25, 2026
Broken html when crossref matches `#<` without linking `<` Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

ruby/rdoc#1743 · Opened Jun 25, 2026
Can `ResumableParser` return whether the last `partial_value` container is completed or not? Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ruby/json#1041 · 7 comments · Opened Jun 25, 2026
Add support for JSON Canonicalization (RFC8785) Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ruby/json#1038 · 3 comments · Opened Jun 24, 2026
Parse empty type params Open

Difficulty 3/5 1-2 days Newbie friendliness 56/100

ruby/rbs#2993 · Opened Jun 15, 2026
Futamura projections of Rails applications Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/ruby-bench#516 · Opened Jun 11, 2026
Use URI::RFC2396_PARSER.escape explicitly. Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

ruby/uri#235 · Opened Jun 10, 2026
Roundtrip not possible when using identical array twice Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/psych#800 · Opened Jun 8, 2026
Proposal: DSL Plugin system for dynamic method-defining DSLs Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

ruby/typeprof#460 · Opened Jun 8, 2026
Embeddable IRB, for use on websites Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/irb#1223 · Opened Jun 7, 2026
Question: how to deal with Regexp::Timeout in _decode_uri_component? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/uri#233 · Opened Jun 4, 2026
Bundler standalone setup assumes `defined?(Gem)` implies `Gem.ruby_api_version` is available Open

Bundler

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ruby/rubygems#9586 · Opened Jun 2, 2026
Can't write history on irb exit on Windows Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 50/100

ruby/irb#1219 · 4 comments · Opened May 31, 2026
bundle lock does not respect Gemfile lockfile Open

Bundler

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

ruby/rubygems#9565 · 1 comment · 1 reaction · Opened May 26, 2026
[Feature] `#unwrap_optional` helper Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

ruby/rbs#2970 · Opened May 22, 2026
record union breaks type information Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ruby/rbs#2969 · Opened May 22, 2026
Downloaded source code files (all *tar.gz / *tar.xz) are renamed tar.tar locally Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ruby/www.ruby-lang.org#3946 · 1 comment · Opened May 22, 2026
Segmentation fault when calling `inspect` on `finish` of `ZStream` Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ruby/zlib#135 · 1 comment · Opened May 22, 2026
RDoc needs a directive to not clobber an overridden method definition's documentation, but add to it. Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ruby/rdoc#1716 · Opened May 17, 2026
Proposal: Extend `ruby-rbs` crate features Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ruby/rbs#2954 · 2 comments · 1 reaction · Opened May 14, 2026
Bundler: Add post-quantum cryptography (PQC) support Open

Bundler

ruby/rubygems#9543 · 6 comments · 1 reaction · 1 assignee · Opened May 13, 2026
RubyGems: Adding post-quantum cryptography (PQC) support Open

RubyGems

ruby/rubygems#9542 · 19 comments · 1 reaction · 1 assignee · Opened May 13, 2026
Feature: Ignore exact versions during `bundle outdated` with a new flag `--ignore-exact` Open

Bundler

Difficulty 3/5 1-2 days Newbie friendliness 66/100

ruby/rubygems#9539 · 1 comment · Opened May 12, 2026
get_digest_base_metadata used to allow fallback to getting metadata pointer from VALUE created by Data_Wrap_Struct, why has this been changed? Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ruby/digest#121 · 1 comment · Opened May 6, 2026
Improving Marshal specs Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ruby/spec#1355 · 1 comment · Opened May 5, 2026
How to put invisible comment in included file? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ruby/rdoc#1691 · 2 comments · Opened May 3, 2026
Ruby::Box support—is it possible in Ruby WASM? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/ruby.wasm#645 · 4 comments · Opened May 1, 2026
Add `wasm32-wasip1` target support for `ruby-rbs-sys` (cross-platform bindgen issues) Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ruby/rbs#2943 · 1 reaction · Opened May 1, 2026
URI::MailTo::EMAIL_REGEXP matches whole strings but URI::RFC2396_PARSER.make_regexp matches partial strings Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ruby/uri#226 · Opened Apr 29, 2026
Allow rdoc to be an optional dependency? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/irb#1211 · 1 comment · 3 reactions · Opened Apr 28, 2026
Allow inspecting implicit parameters via `implicit_parameter_get` etc. Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

ruby/irb#1210 · Opened Apr 27, 2026
Trailing comma in AST Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/prism#4091 · 1 comment · 1 reaction · Opened Apr 25, 2026
Write specs for new Ruby 4.0 features and changes Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ruby/spec#1351 · Opened Apr 24, 2026
Unchecked *_set_* calls Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ruby/openssl#1038 · 1 comment · Opened Apr 20, 2026
SyntaxSuggest 3.0.0 leaks raw invalid bytes into stderr when source has invalid encoding Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ruby/syntax_suggest#258 · 6 comments · Opened Apr 20, 2026

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