Top SYNC GitHub Repositories & Tools (2026)

High-performance networked mutex for Node.js libraries.

Easy-to-use asynchronous TDLib wrapper for Python.

A CLI to sync locale files with webtranslateit.com.

:date: Easy!Appointments - Self Hosted Appointment Scheduler

A modern, high-performance web server and reverse proxy built on Pingora Cloudflare Pingora's raw performance, wrapped in Caddy's minimalist developer experience

Scan, classify (A/B/C/D) and sync AI-agent SKILL.md files across toolchains (Codex, Claude Code, WorkBuddy). Zero-dependency Python CLI.

🐛 Advanced web vulnerability scanner with 5-rule false-positive reduction, WAF evasion, and modern HTML reports

Self-hosted deb/rpm package repository

C++23 client for Kalshi's Predictions API. Created from Kalshi's OpenAPI and AsyncAPI specs, it covers every REST operation and WebSocket channel. The WebSocket client reconnects and resubscribes. Optional transports add retries and rate limiting.

The Buildsmith framework. Fast, async, and built with everything you need to ship.

HTTP/2 support for SwiftNIO

decK: Configuration management and drift detection for Kong

An efficient implementation of a rate limiter for asyncio.

AMQP 0.9 client designed for asyncio and humans.

Simple and modern async event emitter

Async PHP client API for the telegram MTProto protocol

:cloud: ownCloud web server core (Files, DAV, etc.)

A native gRPC client & server implementation with async/await support.