Top SYNC GitHub Repositories & Tools (2026)

An efficient implementation of a rate limiter for asyncio.

Signal 18 repman - Replication Manager for MySQL / MariaDB / Percona Server

Resumable Polymarket indexer: CLOB market metadata plus on-chain trades from Polygon, in one DuckDB file you can query with SQL

Feather is a modern Swift-based Content Management System.

Open Source Discussions Platform for Remote Teams

HTTP/2 support for SwiftNIO

AWS SDK with readable code and async responses

the missing toolbox for an async world

Convenient access to tick-level real-time and historical cryptocurrency market data via Node.js

📱 Syncplay Mobile (now Synkplay) is a Syncplay client app for Android and iOS. Watch stuff in sync with your friends. Compatible with the official Syncplay for PC. Fully written in Kotlin and Compose multiplatform.

Offline-first SQL sync with Typescript and Rust cores

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

A library for managing concurrent asynchronous operations in .NET. Provides bounded concurrency, priority scheduling and key-based serialization over a single queue, with Task and IObservable APIs.

A data-oriented C# Discord library, focused on high-performance concurrency and robust design.

🔌 Extremely fast, type-safe dependency injection for Python with auto-wiring, scopes, async factories, and zero deps!

The Charm++ parallel programming system. Visit https://charmplusplus.org/ for more information.

🐘 Non-blocking, event-driven Swift client for PostgreSQL.

Modern offline LaTeX & Typst editor with visual and source editing.

Office 365 and Azure Active Directory plugins for Moodle

A comprehensive and efficient low-contention thread pool for easily managing both sync and async workloads. It provides granular work control, flexible concurrency, and robust error handling.