Open Source Projects using Monaco Editor
A curated collection of the 80 best open source software using Monaco Editor. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Multi-channel notification infrastructure for apps
Stars
39,756Last commit
10 hours agoLicense
Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Open Source Alternative to:
Build and deploy AI agents and RAG pipelines visually
Stars
154,458Last commit
9 hours agoLicense
Unknown
Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.
Open Source Alternative to:
Postgres-powered backend platform for production apps
Stars
108,844Last commit
5 hours agoLicense
Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Open Source Alternative to:
Autonomous coding agents that complete real engineering tasks
Stars
86,175Last commit
6 hours agoLicense
MIT
AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self-hosted deployment.
Open Source Alternative to:
Run multiple AI coding agents in parallel, side by side
Stars
61,642Last commit
5 hours agoLicense
MIT
Agent Development Environment that runs Claude Code, Codex, Gemini, and other CLI agents in parallel across isolated git worktrees, with terminals, browser, diff review, and git tools built in.
Open Source Alternative to:
Unified observability for metrics, logs, traces, and more
Stars
76,584Last commit
6 hours agoLicense
AGPL-3.0
Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.
Open Source Alternative to:
Build a custom CRM without the proprietary lock-in
Stars
56,247Last commit
5 hours agoLicense
AGPL-3.0
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Open Source Alternative to:
Transform databases into intuitive spreadsheets instantly
Stars
64,831Last commit
10 hours agoLicense
AGPL-3.0
Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.
Open Source Alternative to:
AI-powered research notebook with full privacy control
Stars
38,197Last commit
15 hours agoLicense
MIT
Combines AI summarization, podcast generation, and multi-format content ingestion for researchers and students who want to keep their data private.
Open Source Alternative to:
Headless CMS for developers, built with Node.js
Stars
44,570Last commit
16 hours agoLicense
MIT
A powerful, flexible, and developer-friendly content management system that prioritizes customization and scalability.
Open Source Alternative to:
Design database diagrams and generate SQL scripts instantly
Stars
39,349Last commit
1 day agoLicense
AGPL-3.0
Free online database diagram editor with SQL generation. Create ER diagrams, visualize relationships, export scripts, and reverse engineer schemas - no signup required.
Open Source Alternative to:
Build AI copilots for your product in hours, not months
Stars
37,204Last commit
5 hours agoLicense
MIT
Integrate production-ready AI copilots into any product quickly and easily with CopilotKit's open-source platform.
Open Source Alternative to:
Open-source coding agent for your IDE and terminal
Stars
35,762Last commit
8 hours agoLicense
Apache-2.0
Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Open Source Alternative to:
Manage Linux servers with ease through a modern web interface
Stars
36,804Last commit
11 hours agoLicense
GPL-3.0
Comprehensive web-based tool for Linux server administration with integrated website, database, container, and LLM management capabilities.
Open Source Alternative to:
Unlock Product Insights with Open-Source Analytics
Stars
39,588Last commit
5 hours agoLicense
MIT
All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
Open Source Alternative to:
Secure collaboration platform for mission-critical work
Stars
38,986Last commit
5 hours agoLicense
Unknown
Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.
Open Source Alternative to:
Build powerful AI knowledge bases with ease
Stars
29,572Last commit
15 hours agoLicense
Unknown
FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.
Open Source Alternative to:
Powerful API development and testing made effortless
Stars
39,987Last commit
5 hours agoLicense
Apache-2.0
Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.
Open Source Alternative to:
Open-source observability platform for cloud-native apps
Stars
32,012Last commit
5 hours agoLicense
MIT
Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.
Open Source Alternative to:
End-to-end open source software delivery platform
Stars
38,236Last commit
17 hours agoLicense
Apache-2.0
Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments.
Open Source Alternative to:
AI-powered code completion for seamless development
Stars
33,859Last commit
2 months agoLicense
Apache-2.0
Self-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
Open Source Alternative to:
Transform natural language into SQL queries with AI
Stars
28,076Last commit
2 days agoLicense
Apache-2.0
AI-powered SQL client that converts natural language to SQL queries. Supports MySQL, Redis, MongoDB with Text2SQL, BI dashboards, and secure database management.
Open Source Alternative to:
Declarative workflow orchestration for data, AI, and infra
Stars
27,991Last commit
6 hours agoLicense
Apache-2.0
YAML-based orchestration platform with 1400+ plugins for running data pipelines, AI workflows, and infrastructure automation across teams at scale.
Open Source Alternative to:
Build unlimited AI apps locally with zero vendor lock-in
Stars
21,384Last commit
5 hours agoLicense
Apache-2.0
Create full-stack AI applications using any model or tool. Run entirely on your machine with complete privacy, flexibility, and control over your code.
Open Source Alternative to:
Zero trust network access that's better than VPN
Stars
22,623Last commit
5 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:
Cross-platform terminal with AI built in
Stars
22,205Last commit
1 day agoLicense
Apache-2.0
Enhance your terminal with AI, file previews, and web browsing. Available on MacOS, Linux, and Windows.
Open Source Alternative to:
Unify data models and metrics across your entire stack
Stars
20,776Last commit
5 hours agoLicense
Unknown
Cube is a universal semantic layer that connects data sources to analytics tools, providing consistent definitions and fast queries.
Open Source Alternative to:
Desktop multi-agent workforce for automating real tasks
Stars
15,186Last commit
8 hours agoLicense
Apache-2.0
Self-hostable desktop app that runs a coordinated team of AI agents to browse the web, manage files, execute terminal commands, and complete complex workflows.
Open Source Alternative to:
Open-source workflow automation for developers
Stars
17,781Last 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:
Open-source mail server with unlimited sending & AI tools
Stars
15,529Last commit
3 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
16,060Last commit
5 hours agoLicense
MIT
Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.
Open Source Alternative to:
Secure, seamless authentication for modern applications
Stars
14,499Last commit
16 hours agoLicense
MPL-2.0
An open-source identity solution offering customizable login experiences, multi-tenant support, and comprehensive user management.
Open Source Alternative to:
Fast, secure cloud development environments on your infrastructure
Stars
14,369Last commit
5 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:
Secure and streamline database changes with CI/CD automation
Stars
14,464Last commit
7 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
12,483Last commit
6 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:
Common layer for composing and governing AI agents
Stars
9,691Last commit
5 hours agoLicense
Apache-2.0
Meta-harness that sits above Claude Code, Codex, and other AI agents to add policy enforcement, sandboxing, and real-time collaborative sessions.
Open Source Alternative to:
Unify, automate, and elevate your monitoring workflow
Stars
12,281Last commit
3 days agoLicense
MIT
Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.
Open Source Alternative to:
Visual editing for your Git-based content
Stars
13,774Last commit
14 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:
Open-source integration platform for seamless workflows
Stars
13,963Last commit
7 months agoLicense
Unknown
Self-hosted automation tool that connects your apps and services, enabling powerful integrations and efficient data flow across your ecosystem.
Open Source Alternative to:
Realtime client-side database for collaborative apps
Stars
10,507Last commit
4 days agoLicense
Apache-2.0
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Open Source Alternative to:
Lightning-fast search for massive datasets
Stars
11,568Last commit
6 hours agoLicense
Apache-2.0
High-performance search engine designed for big data, offering scalability, real-time indexing, and cost-effective operations.
Open Source Alternative to:
Ultra-fast AI gateway with enterprise-grade reliability
Stars
7,805Last commit
5 hours agoLicense
Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.
Open Source Alternative to:
InfluxDB – The purpose-built time series platform for high-velocity ingestion and real-time queries at scale.
InfluxDB
Openlane
Docmost