drop-in-replacement

A fast, multi-threaded Redis® and Valkey alternative written in Rust: drop-in compatible, with full-text and vector search built in

VillageSQL - a drop-in replacement for MySQL with extensions

Rust drop-in for the opencode server. Speaks the v1 API (1.18.x) and the opencode 2 /api surface: all 142 v2 ops bound, 2.x clients need OCSERVE_V2=1. Bounded memory, tuned SQLite, differential-tested against frozen upstreams.

Drop-in replacement for ionice in 300 lines of C

Pure Rust Zstandard (zstd) compression library and CLI: drop-in libzstd replacement with a C ABI, levels 1-22, streaming, dictionaries, long-distance matching, SIMD, no_std and WebAssembly. No C, no FFI, no cmake.

🍧 nice and ionice combined to a single utility, written in pure Go

Drop-in replacement for Immich built in Go that uses SQLite and can run in low-end/constrained environments. (https://tty.fail/mrus/korda)

Free, self-hosted drop-in replacement for the Tinybird backend behind Ghost's native analytics. Single Go binary + SQLite. AGPL-3.0.

⚡ A 1:1 Rust port of httpx — same API, faster. Zero dependencies.

Fast, drop-in change point detection for Python, powered by Rust. Same API as ruptures, 18x-6115x faster, plus the CROPS penalty path.

Drop-in NVIDIA CUDA Runtime (libcudart) & SASS-to-SPIR-V lifter for AMD Radeon, Intel Arc & Apple Silicon GPUs via Vulkan 1.3.

Safe, pure-JS drop-in replacement for bigint-buffer. Fixes CVE-2025-3194 (CVSS 7.5). Zero dependencies, no native bindings.

A drop-in Docker CLI for macOS, backed by Apple's container runtime. Run, build, and 'compose' Linux containers in lightweight VMs — speak docker, execute on Apple container.

Drop-in replacement for the retiring Google Custom Search JSON API. Change one URL, keep your code.

Network-wide ad and tracker blocker in Rust. Plain DNS, DoT, DoH, DoQ and HTTP/3, per-client rules, query log, and its own web interface — one 10 MB static binary. Also a drop-in replacement for AdGuard Home v0.107.79: same config, data, API and Docker contract. Not affiliated with AdGuard.

Deliver fast, Rust-powered HTTP client with httpx API compatibility and optimized extensions for high-performance data handling.

Tiny, fast, dependency-free drop-in parsers: tinyaml, tinyjson5, tinyini

Advanced ESPHome-based smart heat recovery ventilation (HRV) for VentoMaxx V-WRG Series

Rust-backed drop-in replacement for Python's csv module. Swap one import, get faster CSV reads and writes. 376 tests prove identical behavior.

Allow log4j dependent libraries to run on log4Rich