Alternatives
These products are placed in Backend-as-a-service & databases, UI design & prototyping alongside erd-builder-pro. The order reflects how much of erd-builder-pro’s category footprint each one covers. It is not a ranking, and no company can pay to appear here.
Back to the erd-builder-pro record →The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications. Supabase is open source, written primarily in TypeScript, released under Apache License 2.0. Its repository has 107.3K GitHub stars and 13.4K forks, and was last committed to within the last two weeks. Niched places it in Backend-as-a-service & databases.
🎨 The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 ex. open-design is open source, written primarily in TypeScript, released under Apache License 2.0. Its repository has 82.7K GitHub stars and 9.6K forks, and was last committed to within the last two weeks. Niched places it in AI coding assistants & agents, UI design & prototyping.
Penpot: The open-source design platform for Product teams that need scalable collaboration. penpot is open source, written primarily in Clojure, released under Mozilla Public License 2.0. Its repository has 57.8K GitHub stars and 3.8K forks, and was last committed to within the last two weeks. Niched places it in UI design & prototyping.
Open-source Claude Design alternative. One-click import your Claude Code / Codex API key. Prompt → prototype / slides / PDF. Multi-model (Claude, GPT, Gemini, Kimi, GLM, Ollama). BYOK, local-first, MIT. open-codesign is open source, written primarily in TypeScript, released under MIT License. Its repository has 7.6K GitHub stars and 800 forks, and was last committed to within the last two months. Niched places it in UI design & prototyping.
Free and open source database client built natively for developers. TablePro is open source, written primarily in Swift, released under GNU Affero General Public License v3.0. Its repository has 5.4K GitHub stars and 348 forks, and was last committed to within the last two weeks. Niched places it in Backend-as-a-service & databases.
MongoDB-compatible database engine for cloud-native and open-source workloads. Built for scalability, performance, and developer productivity. documentdb is open source, written primarily in C, released under MIT License. Its repository has 3.4K GitHub stars and 249 forks, and was last committed to within the last two weeks. Niched places it in Backend-as-a-service & databases.
A minimal, fast, database client desktop application. Built for developers who want to quickly peek at their data without the bloat. data-peek is open source, written primarily in TypeScript, released under Other. Its repository has 1.6K GitHub stars and 97 forks, and was last committed to within the last two weeks. Niched places it in Backend-as-a-service & databases.
SingularityCE is the Community Edition of Singularity, an open source container platform designed to be simple, fast, and secure. singularity is open source, written primarily in Go, released under Other. Its repository has 987 GitHub stars and 119 forks, and was last committed to within the last two weeks. Niched places it in UI design & prototyping.
Database management, built for developers. veloxdb is open source, written primarily in TypeScript, released under MIT License. Its repository has 508 GitHub stars and 29 forks, and was last committed to within the last two months. Niched places it in Backend-as-a-service & databases.
NorthStar is an open source design system with reusable React components for rapidly prototyping intuitive, meaningful and accessible user experience. It simplifies your work and ensures consistent, predictable user expe. aws-northstar is open source, written primarily in TypeScript, released under Apache License 2.0. Its repository has 214 GitHub stars and 36 forks, and was last committed to about 6 months ago. Niched places it in UI design & prototyping.
Navop combines Navigate and Operation—a unified workspace that helps developers navigate and operate databases, servers, terminals, and AI tools from one place. navop is open source, written primarily in Rust, released under Other. Its repository has 171 GitHub stars and 22 forks, and was last committed to within the last two weeks. Niched places it in Backend-as-a-service & databases.
CC0 3D asset registry: 991+ GLB models from metaverse projects. JSON-based database linking to permanent storage. Medieval props, vaporwave rooms, Egyptian temples, neon streets, and more. API-friendly structure for deve. open-source-3D-assets is open source, released under Other. Its repository has 138 GitHub stars and 12 forks, and was last committed to about 5 months ago. Niched places it in Backend-as-a-service & databases.
Learn developer tools, networking, Linux, DevOps, security, databases, APIs, and cloud concepts through visuals and simple explanations. it-visuals is open source, released under Other. Its repository has 121 GitHub stars and 15 forks, and was last committed to within the last two weeks. Niched places it in Backend-as-a-service & databases.
OpenAurora is a cloud-native database system prototype developed at Purdue University. It is an open-source version of Amazon Aurora. It is designed to enable more research in cloud-native database systems for our databa. OpenAurora is open source, written primarily in C, released under Other. Its repository has 108 GitHub stars and 8 forks, and was last committed to about 5 months ago. Niched places it in UI design & prototyping.
No description has been captured for this product yet.
No description has been captured for this product yet.
The collaborative interface-design standard.
The long-standing managed app-backend incumbent.
A major design-to-published-site workflow.
A defining serverless Postgres option.
A major developer-focused managed database platform.
No description has been captured for this product yet.
A long-standing professional interface-design product.
No description has been captured for this product yet.
Edge-replicated SQLite platform.
Serverless Redis and queues.
No description has been captured for this product yet.
Category placement comes from the classifier and human review, not from a paid submission. A product missing from this page has either not entered the Niched research set or carries no category assignment yet. Absence is never evidence against it. Read the method or submit a missing product.