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Ip2region is an offline IP-to-Region localization library and IP data management framework with both IPv4 and IPv6 supports, 10-microsecond level query efficiency, xdb search client for many programming languages
GO Simple Tunnel - a simple tunnel written in golang
Algorithms and Data Structures implemented in Go for beginners, following best practices.
ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.
Workflow Engine for Kubernetes
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
IM Chat OpenClaw
Automation engine to build, test and ship any codebase. Runs locally, in CI, or directly in the cloud
Bridge local AI coding agents (Claude Code, Cursor, Gemini CLI, Codex) to messaging platforms (Feishu/Lark, DingTalk, Slack, Telegram, Discord, LINE, WeChat Work). Chat with your AI dev assistant from anywhere — no public IP required for most platforms.
Release engineering, simplified
Standalone man-in-the-middle attack framework used for phishing login credentials along with session cookies, allowing for the bypass of 2-factor authentication
ZITADEL - Identity infrastructure, simplified for you.
Realtime log viewer for containers. Supports Docker, Swarm and K8s.
CoreDNS is a DNS server that chains plugins
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.
A dead simple 2D game engine for Go
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
A faster, simpler way to drive browsers supporting the Chrome DevTools Protocol.
A powerful framework for faster, easier, and more efficient project development.
Translated✍🏻 Source Code Deep Dives, System Design & Engineering Blogs | Halfrost-Field (冰霜之地, "Land of Frost"): notes on source code analysis, system design, and engineering practice
go-admin is a Gin + Vue starter kit for admin applications, supporting Element UI, Arco Design, and Ant Design. Features include multi-tenancy, user management, JWT authentication, RBAC, code generation, a form builder, and scheduled tasks. Build your own admin app in just 3 minutes.
Cloud cost intelligence for engineers, AI coding agents, and CI/CD 💰📉 Shift FinOps Left!
Zero Allocation JSON Logger