google / promises

Promises is a modern framework that provides a synchronization construct for Swift and Objective-C.

syncthing / syncthing

Open Source Continuous File Synchronization

bagisto / opensource-ecommerce-mobile-app

This open-source mobile ecommerce app seamlessly transforms your Bagisto store into a powerful mobile platform, providing real-time synchronization of products and categories.

crossbeam-rs / crossbeam

Tools for concurrent programming in Rust

rudderlabs / rudder-server

Privacy and Security focused Segment-alternative, in Golang and React

syncthing / syncthing-macos

Official frugal and native macOS Syncthing application bundle

Amanieu / parking_lot

Compact and efficient synchronization primitives for Rust. Also provides an API for creating custom synchronization primitives.

researchxxl / syncthing-android

Syncthing-Fork - A Syncthing Wrapper for Android.

Martchus / syncthingtray

Tray application and Dolphin/Plasma integration for Syncthing

FISCO-BCOS / FISCO-BCOS

FISCO BCOS（发音为/ˈfɪskl bi:ˈkɒz/）是一个稳定、高效、安全的许可区块链平台，已被广泛应用于现实的行业应用。截至目前，已拥有5000多家企事业单位，400多个产业数字化标杆应用，涵盖文化版权、司法服务、政府服务、物联网、金融、智慧社区、房地产建设、社区治理、乡村振兴等领域。FISCO BCOS (pronounced /ˈfɪskl bi:ˈkɒz/) is a stable, efficient, and secure permissioned blockchain platform that has been widely used in real-world industry applications.

phw198 / OutlookGoogleCalendarSync

Sync your Outlook and Google calendars

teamtype / teamtype

Peer-to-peer, editor-agnostic collaborative editing of local text files.

Sync-in / server

Sync-in · Sovereign platform for file storage, sharing, synchronization, and collaboration.

pointfreeco / sqlite-data

A fast, lightweight replacement for SwiftData, powered by SQL and supporting CloudKit synchronization.

meganz / MEGAsync

Easy automated syncing between your computers and your MEGA Cloud Drive

PhilipK / BoilR

Synchronize games from other platforms into your Steam library

KEV0143 / Direct-memory-access-CS2-DMA

Low-level Direct Memory Access (DMA) framework for CS2, designed for memory acquisition, entity-state parsing, synchronization, and PCIe/reverse-engineering research.

oldratlee / fucking-java-concurrency

🎏 Simple showcases of java concurrency problems, seeing 🙈 is believing 🐵

apple / swift-atomics

Low-level atomic operations for Swift

pendulum-project / ntpd-rs

A full-featured implementation of the Network Time Protocol, including NTS support.

microsoft / vs-threading

The Microsoft.VisualStudio.Threading is a xplat library that provides many threading and synchronization primitives used in Visual Studio and other applications.

deajan / osync

A robust two way (bidirectional) file sync script based on rsync with fault tolerance, POSIX ACL support, time control and near realtime sync

jumpmindinc / symmetric-ds

SymmetricDS is database replication and file synchronization software that is platform independent, web enabled, and database agnostic. It is designed to make bi-directional data replication fast, easy, and resilient. It scales to a large number of nodes and works in near real-time across WAN and LAN networks.

koreader / koreader-sync-server

self hostable synchronization service for koreader devices

syncyomi / syncyomi

SyncYomi is an open-source project crafted to provide a seamless synchronization experience for your TachiyomiSY/Mihon (Mihon client is not implemented but it works the same probably will never be implemented)/manga reading progress and library across multiple devices.

llaoj / gcopy

A clipboard synchronization service for different devices that can synchronize text, screenshots, and files.

maxnowack / signaldb

SignalDB is a reactive, local-first JavaScript database designed for modern web applications. It combines signal-based reactivity with powerful local data management and real-time synchronization capabilities.

gauteh / lieer

Fast email-fetching, sending, and two-way tag synchronization between notmuch and GMail

Ahoo-Wang / CosId

Universal, flexible, high-performance distributed ID generator. | 通用、灵活、高性能的分布式 ID 生成器

OpenDBDiff / OpenDBDiff

A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and creates a synchronization script.

dg / ftp-deployment

A tool for automated deployment of web applications to an FTP server.

dyc3 / opentogethertube

Watch videos with your friends. The spiritual successor to TogetherTube, preserving the spirit of it's simple to use interface, while improving it's look, feel, and reliability.

xm486 / YukiHub

YukiHub is a Galgame management tool for Android that supports synchronization of local games, shortcuts, and play records. The project uses the GPL-3.0 open-source license.

cs2-dma / CS2-DMA

Open-source, low-level Direct Memory Access (DMA) research framework for Counter-Strike 2, focused on memory acquisition, entity-state parsing, synchronization, PCIe experimentation, and reverse-engineering research. Intended strictly for educational and research purposes.

daimon3332 / OutlookManage

Outlook/Hotmail local account management WebUI supports batch account import, status detection (alive/banned), token refresh and synchronization.Outlook / Hotmail 本地账号管理 WebUI，支持账号批量导入、状态检测（存活/封禁）、令牌刷新与同步。

mdspan / posix-sync

Idiomatic Rust interface for POSIX synchronisation primitives

onlyoyrao999 / proxyipsinpSynchronization-tool

这是在 GitHub Actions 上运行的 Cloudflare IP 扫描与 DNS 同步工具。它会自动生成大量 CF IP 并通过 API 测速挑选出Proxyip IP（默认只选择10 个 USA 节点），并自动更新到您的 Cloudflare DNS 记录中。

Belucking / ZkOracle

ZkOracle is a distributed, high-performance data replication engine that enables real-time data synchronization across a scalable platform.

amanofvaly / crowbarr

Audit-first subtitle synchronization and speech-aligned transcription for self hosted media library. Non-destructive sidecars powered by Whisper.

Attyeek / subtitle-sync-gui

Windows 字幕时间轴自动校正工具，一键修正因帧率差异、片源删减、音画延迟等原因造成的字幕偏轴、错位和时间漂移问题。 A Windows GUI tool for automatically correcting subtitle timing offsets and drift caused by frame-rate differences, source cuts, audio delays, and other synchronization issues.

percentwasphose / itmo-schedule-calendar

Расписание ИТМО в календаре: ICS-подписка и read-only CalDAV для Apple Календаря, Google Календаря, Thunderbird, DAVx⁵, Outlook, Nextcloud и Android.

Seo-yeonLee / CrewBridge

Synthesizing real-time analytics and low-latency data synchronization seamlessly within the NexusEngine ecosystem.

YRN-playmaker / dsh-wallpaper_share

一键同步壁纸引擎各类动态场景壁纸的插件，设置应用启动项。A "wallpaper engine" synchronization plugin mounted on the deepseek harness can synchronize static wallpapers

TCeramic / OpenLyricSync

Provider-neutral TypeScript toolkit for LRC parsing, lyric timeline alignment, playback synchronization, and safe track matching.

dickpy / dsh-cloud-sync

Portable DeepSeek Harness profile and local-plugin source synchronization via WebDAV.