Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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DashMap
A blazing-fast concurrent HashMap for Rust that shards state across locks instead of using one global RwLock.
Orama
A dependency-free full-text, vector, and hybrid search engine that runs entirely in JavaScript.
lark
A modern parsing toolkit for Python supporting Earley, LALR(1), and CYK parsers with automatic tree construction.
Participle
A dead-simple Go library for building parsers straight from annotated struct tags.
bon
Compile-time-checked builder generator and named function arguments for Rust
generic
A collection of type-safe generic data structures for Go, built on Go 1.18 generics with no reflection or interface{} boxing.
heapless
Static, no_std data structures like Vec, String, and Deque with fixed capacity — no heap allocator required.
annotate-snippets-rs
Renders compiler-quality annotated diagnostic reports with source-span highlighting, multi-line underlines, and suggested patches.
spade
Delaunay triangulations and Voronoi diagrams for the Rust ecosystem
radix_trie
A fast, generic radix trie for Rust with compressed nodes and ancestor/descendant prefix lookups.
bimap-rs
Fast, generic bijective maps for Rust that feel like the standard library.
lru-cache
A fixed-capacity least-recently-used cache for Rust, built on a linked hash map with O(1) inserts, lookups, and evictions.
linked-hash-set
A Rust HashSet that preserves insertion order using an internal doubly-linked list.
lean_string
Compact, clone-on-write string type for Rust with inline storage and a String-compatible API.