Octolens — The #1 Brand Monitoring Tool for SaaS & Developer ToolsLearn More

Open Source Alternatives by Programming Language

Discover open source alternatives for your favorite programming languages.

JavaScript
259 alternatives
TypeScript
213 alternatives
HTML
115 alternatives
CSS
102 alternatives
Python
95 alternatives
Shell
90 alternatives
C
88 alternatives
Go
81 alternatives
PHP
68 alternatives
SCSS
51 alternatives
Vue
44 alternatives
Java
42 alternatives
Rust
32 alternatives
MDX
24 alternatives
Dockerfile
20 alternatives
Ruby
19 alternatives
CMake
15 alternatives
Makefile
14 alternatives
Smarty
11 alternatives
PLpgSQL
11 alternatives
Twig
11 alternatives
Kotlin
11 alternatives
Blade
10 alternatives
Go Template
10 alternatives
Lua
8 alternatives
Gherkin
8 alternatives
Less
7 alternatives
Handlebars
7 alternatives
Svelte
7 alternatives
HCL
6 alternatives
Dart
6 alternatives
QML
5 alternatives
Jupyter Notebook
5 alternatives
Roff
5 alternatives
Jinja
5 alternatives
Elixir
5 alternatives
Swift
4 alternatives
Inno Setup
4 alternatives
Objective-C
4 alternatives
Perl
4 alternatives
XSLT
3 alternatives
Batchfile
3 alternatives
Scala
3 alternatives
EJS
3 alternatives
Fluent
3 alternatives
Groovy
3 alternatives
TeX
3 alternatives
Clojure
3 alternatives
OCaml
3 alternatives
Assembly
3 alternatives
PowerShell
3 alternatives
CoffeeScript
2 alternatives
Cap'n Proto
2 alternatives
Yacc
2 alternatives
Mustache
2 alternatives
Crystal
2 alternatives
RobotFramework
2 alternatives
Haml
2 alternatives
NSIS
2 alternatives
GLSL
2 alternatives
TSQL
2 alternatives
M4
2 alternatives
Nix
2 alternatives
FreeMarker
2 alternatives
CUE
2 alternatives
Raku
2 alternatives
QMake
2 alternatives
SurrealQL
1 alternative
Answer Set Programming
1 alternative
Liquid
1 alternative
Prolog
1 alternative
Astro
1 alternative
ASP.NET
1 alternative
Starlark
1 alternative
Clarity
1 alternative
Procfile
1 alternative
Slint
1 alternative
GDShader
1 alternative
Standard ML
1 alternative
Jsonnet
1 alternative
Stylus
1 alternative
ANTLR
1 alternative
LookML
1 alternative
Cypher
1 alternative
Scheme
1 alternative
Rich Text Format
1 alternative
Pascal
1 alternative
Hurl
1 alternative
Sass
1 alternative
RAML
1 alternative
CartoCSS
1 alternative
ASP.NET
1 alternative
Vim Script
1 alternative
Pug
1 alternative
OpenSCAD
1 alternative
Volt
1 alternative
GDScript
1 alternative
SWIG
1 alternative
Cap'n Proto
1 alternative