| Fest | |
| https://github.com/alexruiz/fest-assert-2.x assertion framework | https://github.com/mailru/fest javascript templates по руский |
| conscript | |
| https://github.com/foundweekends/conscript scala launcher | https://github.com/google/conscrypt Java Security Provider |
| atom | |
| https://tools.ietf.org/html/rfc5023 RSS successor | https://atom.io/ text editor |
| phoenix | |
| https://phoenix.apache.org database with HBase and SQL | https://github.com/phoenixframework/phoenix elixir web framework |
| luna | |
| http://www.luna-lang.org programming language | https://github.com/tj/luna another programming language |
| cats | |
| https://github.com/typelevel/cats functional programming for scala | https://github.com/funcool/cats functional programming for clojure |
| pony | |
| https://github.com/ponylang/ponyc programming language with actors | https://github.com/ponyorm/pony ORM in python |
| reactor | |
| https://github.com/reactor Reactive Streams based projects for backpressure-ready asynchronous message passing | http://maven.apache.org/plugins/maven-reactor-plugin multi-module plugin for maven (retired) |
| gosu | |
| https://github.com/gosu-lang/gosu-lang Programming language on JVM | https://github.com/gosu/gosu 2D game development library |
| jade | |
| http://jade.tilab.com multiagent system | https://www.npmjs.com/package/jade template language * renamed recently to Pug |
| go | |
| http://www.go.cd continous delivery server | https://golang.org language from google |
| rhino | |
| https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Rhino JVM based JavaScript dialect | http://www.rhino3d.com 3D modelling lib |
| crate | |
| https://github.com/ibdknox/crate templating engine in clojure script | https://github.com/copiousfreetime/crate standalone app builder for ruby |
| crate io | |
| https://github.com/rust-lang/crates.io registry for rust packages | https://github.com/crate/crate elasticsearch based sql-like data storage |
| blueprint | |
| https://github.com/joshuaclayton/blueprint-css css grid framework | https://github.com/palantir/blueprint react based UI-toolkit |
| squirrel | |
| http://squirrel-sql.sourceforge.net sql client | https://github.com/hekailiang/squirrel state machine |
| https://github.com/Squirrel/Squirrel.Windows app installer for Windows | https://github.com/Masterminds/squirrel SQL generator in GO |
| composure | |
| https://github.com/weavejester/compojure clojure web routing framework | https://github.com/erichs/composure shell scrip crafting framework |
| jq | |
| https://github.com/stedolan/jq command line JSON processor | https://github.com/Teradata/jaqy SQL client, surprisingly installs itself as jq |
| https://jquery.com/ jQuery also does fall into this category | https://github.com/timestored/jq JVM implementation of q language |
| jest | |
| https://github.com/facebook/jest javascript testing framework | https://github.com/searchbox-io/Jest Java ElasticSearch REST client |
| sputnik | |
| https://github.com/TouK/sputnik static code review tool | https://github.com/szwacz/sputnik desktop RSS reader |
| poi | |
| https://github.com/apache/poi lib for MS Office manipulation | https://github.com/egoist/poi js framework |
| machete | |
| https://github.com/cloudfoundry/machete CF buildpack test framework | https://github.com/phatboyg/Machete parsing, querying and processing sophisticated text |
| https://github.com/PawelLipski/git-machete helper for git rebase | |
| yarn | |
| https://github.com/apache/hadoop/tree/trunk/hadoop-yarn-project hadoop cluster resource management | https://github.com/yarnpkg/yarn dependency manager in javascript ecosystem |
| spark | |
| https://github.com/apache/spark big data processsing engine | https://github.com/perwendel/spark tiny web framework |
| https://github.com/holman/spark sparklines for your shell | |
| camel | |
| https://github.com/apache/camel enterprise integration framework | https://github.com/decorators-squad/camel yaml for java |
| james | |
| https://github.com/apache/james-project mail server | https://github.com/james-proxy/james debugging web proxy |
| seed | |
| https://github.com/David-OConnor/seed A Rust framework for creating web apps | https://github.com/tindzk/seed build tool for scala projects |
| arrow | |
| https://github.com/arrow-kt/arrow functional extensions for Kotlin | https://github.com/android10/arrow lightweight toolbox for Java/Android |
| https://github.com/apache/arrow cross-language development platform for in-memory data | https://github.com/crsmithdev/arrow better dates & times for Python |
| grin | |
https://github.com/rkern/grin my favourite ack replacement | https://github.com/mimblewimble/grin blockchain implementation |
| https://github.com/grin-compiler/grin compiler for functional languages | |
| grub | |
| https://github.com/prezi/grub template engine for new projects | https://www.gnu.org/software/grub/ linux loader |
| gum | |
| https://github.com/kordamp/gm Gradle/Maven/Bach/JBang/Ant wrapper written in Go | https://github.com/charmbracelet/gum tool for glamorous shell scripts |
| just | |
| https://github.com/just-js/just small v8 javascript runtime | https://github.com/casey/just command runner |
| gatling | |
| https://github.com/hashrocket/gatling deploy a bunch of Phoenix(Elixir) apps | https://github.com/gatling/gatling load test tool |
