Bun
Oven · Programming languages & runtimes
All-in-one JavaScript and TypeScript runtime, package manager, bundler and test runner built on JavaScriptCore by Oven
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
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Deno
Deno Land · Programming languages & runtimes
Secure-by-default JavaScript and TypeScript runtime from Deno Land with web-standard APIs, built-in tooling and an optional hosted Deploy service
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
Go
Google (Chrome DevTools team) · Programming languages & runtimes
Statically typed, garbage-collected language from Google that compiles to single binaries and is widely used for servers, CLIs and infrastructure tooling
BSD-3-ClauseOpen sourceFreeLocalSelf-hostedNov 2, 2026
Julia
The Julia Project · Programming languages & runtimes
Dynamically typed, JIT-compiled language for numerical and scientific computing that aims to combine high-level syntax with compiled-code speed
MITOpen sourceFreeLocalSelf-hostedNov 2, 2026
Lean
Lean FRO · Mathematical & statistical computing
Open-source functional programming language and interactive theorem prover with dependent types, the Mathlib mathematics library and VS Code tooling, stewarded by the Lean FRO
Apache-2.0FreeOpen sourceLocalNov 2, 2026
R
R Foundation / R Core Team · Programming languages & runtimes
Language and environment for statistical computing and graphics, with the CRAN package archive and a strong base in academic statistics and econometrics
GPL-2.0-or-laterOpen sourceFreeLocalSelf-hostedNov 2, 2026
Rust
Rust Foundation / Rust Project · Programming languages & runtimes
Compiled systems programming language with ownership-based memory safety, the Cargo build tool and no garbage collector
MIT OR Apache-2.0Open sourceFreeLocalSelf-hostedNov 2, 2026
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