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freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.
An Open Source implementation of Notebook LM with more flexibility and features
The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.
Build your personal knowledge base with Trilium Notes
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
Label Studio is a multi-type data labeling and annotation tool with standardized output format
Redefined chart library built with React and D3
Database diagrams editor that allows you to visualize and design your DB with a single query.
Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.
Visualize Your Ideas With Code
Performant financial charts built with HTML5 canvas
A fully open source & end-to-end encrypted note taking alternative to Evernote.
Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉
🐸 Rybbit - open-source and privacy-friendly alternative to Google Analytics that is 10x more intuitive.
Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.
The Most Complete Angular UI Component Library
Meshery, the cloud native manager
A flow chart editing framework focus on business customization. 专注于业务自定义的流程图编辑框架,支持实现脑图、ER图、UML、工作流等各种图编辑场景。
Refine high-quality datasets and visual AI models
An open-source, self-hosted personal AI note tool prioritizing privacy, built using TypeScript .
A declarative JavaScript library for application development using cloud services.
Open Source Feature Flags, Experimentation, and Product Analytics