Open Source Projects using Golang
A curated collection of the 171 best open source software using Golang. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Secure, private photo storage and sharing solution
Stars
29,377Last commit
9 hours agoLicense
AGPL-3.0
End-to-end encrypted cloud storage for photos and videos, offering privacy, security, and seamless cross-device syncing.
Open Source Alternative to:
GPU-accelerated terminal built for power users
Stars
35,273Last commit
10 hours agoLicense
GPL-3.0
High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.
Open Source Alternative to:
Secure secret management for modern development teams
Stars
29,737Last commit
6 hours agoLicense
MIT
End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
Open Source Alternative to:
Open-source vector database for AI search and retrieval
Stars
29,495Last commit
6 hours agoLicense
Apache-2.0
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.
Open Source Alternative to:
Zero Trust networking with WireGuard-based secure connectivity
Stars
29,934Last commit
6 hours agoLicense
Unknown
Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.
Open Source Alternative to:
High-performance object storage designed for AI workloads
Stars
61,323Last commit
6 months agoLicense
AGPL-3.0
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
Open Source Alternative to:
Cost-effective log aggregation that indexes labels, not full text
Stars
29,010Last commit
8 hours agoLicense
AGPL-3.0
Horizontally scalable, multi-tenant log aggregation system that stores and queries logs using label-based indexing instead of full-text indexing, keeping storage costs low.
Open Source Alternative to:
Self-hosted mini-PaaS for deploying applications easily
Stars
32,178Last commit
10 hours agoLicense
MIT
A Docker-powered platform that lets you deploy Heroku-compatible applications via Git, with buildpack support and container isolation.
Open Source Alternative to:
Time-series database and historian for industrial data
Stars
25,158Last commit
23 hours agoLicense
AGPL-3.0
High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments.
Open Source Alternative to:
Distributed tracing, metrics, logs, and GenAI monitoring in one
Stars
24,968Last commit
11 hours agoLicense
Apache-2.0
Open source observability platform covering distributed tracing, metrics, logs, profiling, and LLM cost tracking across 10+ languages with eBPF support on Kubernetes.
Open Source Alternative to:
Cross-platform, secure password manager
Stars
29,210Last commit
4 days agoLicense
GPL-3.0
KeePassXC is an open-source password manager that securely stores and manages sensitive information across Windows, macOS, and Linux.
Open Source Alternative to:
Take control of your identity with a secure, flexible solution
Stars
25,948Last commit
8 hours agoLicense
MIT
authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.
Open Source Alternative to:
Zero trust network access that's better than VPN
Stars
23,079Last commit
12 hours agoLicense
AGPL-3.0
Deploy zero trust access to infrastructure, self-hosted apps, and SaaS tools in days. Identity-aware security with seamless user experience.
Open Source Alternative to:
AI-powered DevSecOps for faster, secure software delivery
Stars
24,551Last commit
8 hours agoLicense
MIT
A comprehensive AI-powered DevSecOps platform that integrates development, security, and operations, streamlining software delivery and enhancing productivity.
Open Source Alternative to:
Self-hosted newsletter and mailing list manager
Stars
23,773Last commit
7 hours agoLicense
AGPL-3.0
Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres.
Open Source Alternative to:
Build resilient applications with durable execution workflows
Stars
23,671Last commit
7 hours agoLicense
MIT
Open source platform that eliminates infrastructure complexity by handling failures, network issues, and long-running processes to ensure reliable workflow execution
Open Source Alternative to:
Infrastructure as code in your favorite language
Stars
25,785Last commit
6 hours agoLicense
Apache-2.0
Pulumi enables developers to define and manage cloud infrastructure using familiar programming languages instead of domain-specific languages.
Open Source Alternative to:
Cross-platform terminal with AI built in
Stars
22,486Last commit
9 hours agoLicense
Apache-2.0
Enhance your terminal with AI, file previews, and web browsing. Available on MacOS, Linux, and Windows.
Open Source Alternative to:
Full-stack platform for voice, video, and physical AI agents
Stars
21,417Last commit
15 hours agoLicense
Apache-2.0
Build, test, deploy, and scale voice and video AI agents with an open source framework, inference gateway, telephony integrations, and full observability.
Open Source Alternative to:
Self-hosted music streaming for your personal collection
Stars
24,147Last commit
14 hours agoLicense
GPL-3.0
Open source music server that streams your personal library via a web player or any Subsonic-compatible mobile app on iOS and Android.
Open Source Alternative to:
Turn production traffic into regression tests, no code changes
Stars
18,567Last commit
7 hours agoLicense
Apache-2.0
Captures real API traffic and dependency calls via eBPF to generate tests and mocks automatically, then replays them in CI to catch regressions before they ship.
Open Source Alternative to:
Social media reimagined for community and connection
Stars
18,337Last commit
6 hours agoLicense
MIT
A decentralized social network focused on fostering meaningful interactions and giving users control over their data and experience.
Open Source Alternative to:
Open-source workflow automation for developers
Stars
18,175Last commit
6 hours agoLicense
Unknown
Powerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.
Open Source Alternative to:
Scalable open-source distributed storage system
Stars
17,117Last commit
7 hours agoLicense
Unknown
Ceph provides unified object, block, and file storage from a single cluster built on commodity hardware.
Open Source Alternative to:
Fast, secure cloud development environments on your infrastructure
Stars
16,990Last commit
6 hours agoLicense
AGPL-3.0
Self-hosted development platform that enables secure, scalable remote coding with automated provisioning, reduced cloud costs, and enterprise-grade security.
Open Source Alternative to:
High-performance API gateway with built-in LLM support
Stars
17,218Last commit
19 hours agoLicense
Apache-2.0
Apache APISIX is an open-source API gateway built on NGINX and etcd, offering dynamic routing, 100+ plugins, load balancing, authentication, and traffic management for APIs and LLM workloads.
Open Source Alternative to:
Open-source mail server with unlimited sending & AI tools
Stars
15,899Last commit
4 months agoLicense
AGPL-3.0
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.
Open Source Alternative to:
Open-source API documentation and testing platform
Stars
16,251Last commit
6 hours agoLicense
MIT
Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.
Open Source Alternative to:
High-performance time series database for metrics and logs
Stars
17,851Last commit
10 hours agoLicense
Apache-2.0
Time series database and monitoring platform compatible with Prometheus, handling billions of metrics with lower resource usage than most alternatives.
Open Source Alternative to:
Open-source Q&A platform for knowledge sharing
Stars
15,691Last commit
2 days agoLicense
Apache-2.0
A versatile, community-driven Q&A platform that fosters collaboration and knowledge exchange within organizations and communities.
Open Source Alternative to:
Secure, customizable identity infrastructure for developers
Stars
15,304Last commit
16 hours agoLicense
AGPL-3.0
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
Open Source Alternative to:
Secure cloud environments for enterprise AI agents
Stars
14,318Last commit
11 hours agoLicense
Apache-2.0
Provide AI agents with secure, isolated sandboxes featuring real-world tools, code execution, and enterprise-grade security. Trusted by 88% of Fortune 100 companies.
Open Source Alternative to:
High-performance time-series database for massive data scale
Stars
17,440Last commit
7 hours agoLicense
Apache-2.0
Open-source time-series database offering massive ingestion throughput, millisecond queries, and SQL extensions, designed for optimal performance at any hardware scale.
Open Source Alternative to:
AI-native vector database for intuitive applications
Stars
16,879Last commit
8 hours agoLicense
BSD-3-Clause
Open-source vector database designed for building powerful, production-ready AI applications with hybrid search capabilities and flexible deployment options.
Open Source Alternative to:
Secure and streamline database changes with CI/CD automation
Stars
14,560Last commit
8 hours agoLicense
MIT
Comprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.
Build full-stack apps with TypeScript and real-time sync
Stars
12,691Last commit
7 hours agoLicense
Unknown
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.
Open Source Alternative to:
Build beautiful documentation sites with Next.js
Stars
13,354Last commit
16 hours agoLicense
MIT
A flexible Next.js framework for creating stunning documentation sites with MDX support, built-in search, and customizable components.
Open Source Alternative to:
Open source messaging with privacy and community focus
Stars
10,568Last commit
7 hours agoLicense
AGPL-3.0
Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.
Open Source Alternative to:
Unified file management for your enterprise storage
Stars
14,790Last commit
8 hours agoLicense
AGPL-3.0
Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.
Open Source Alternative to:
Self-hosted session replay with complete data control
Stars
12,979Last commit
12 hours agoLicense
AGPL-3.0
Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
Open Source Alternative to:
Visual editing for your Git-based content
Stars
13,829Last commit
19 hours agoLicense
Apache-2.0
A headless CMS that simplifies content management with real-time editing, Git-based workflows, and developer-friendly customization.
Open Source Alternative to:
Accelerate backend development with effortless scalability
Stars
12,446Last commit
2 days agoLicense
MPL-2.0
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.
Open Source Alternative to:
Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.
InfluxDB
Bright Data
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