Dev tools · alternatives · 2026

24 alternatives to Schemass
Awesome database design platform
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Schemass launched in 2018; newer entries below may have overtaken it.
- 1VD
Hey HN! We are Jonathan & Guy, and we are happy to share a project we’ve been working on. ChartDB is a tool to help developers and data analysts quickly visualize database schemas by generating ER diagrams with just one query. A unique feature of our product is AI-Powered export for easy migration. You can give it a try at https://chartdb.io and find the source code on GitHub. Next steps ---> More AI. We’d love feedback :)
2024 · github.com · its alternatives →
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- 3CA
Last year we launched ChartDB OSS (https://news.ycombinator.com/item?id=44972238) - an open-source tool that generates ER diagrams from your database (via query/sql/dbml) without needing direct DB access. Now we’re launching the ChartDB Agent. It helps you design databases from scratch or make schema changes with natural language. You can: - Generate schemas by simply describing them in plain English - Brainstorm new tables, columns, and relationships with AI - Iterate visually in a diagram (ERD) - Deterministically export SQL script Try it out here -…
Oct 2025 · app.chartdb.io · its alternatives →
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RelateDB▲140Offline-first database schema designer in your browser
Jan 2026 · relatedb.com · its alternatives →
- 6
SchemaFlow▲128Real-time database schemas for AI-IDEs via MCP protocol
2025 · schemaflow.dev · its alternatives →
- 7
Supernova▲243Design system platform straight from the future
2022 · supernova.io · its alternatives →
- 8
Arctype▲491Supercharged SQL client for developers and teams
2021 · clickhouse.com · its alternatives →
- 9

Generate a 100% free database schema for your project
2024 · supalaunch.com · its alternatives →
- 10OD
Hey all! I released drawDB about a month ago and now it's open source. I hope you find it useful. If you want to check out the app you can go to https://drawdb.vercel.app/ . Thank you:)
2024 · github.com · its alternatives →
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Schema▲11A digital resource collective for creative assets.
2025 · tpasports.net · its alternatives →
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Bytebase 2.0▲88Database schema change and version control for developers
2023 · bytebase.com · its alternatives →
- 15
Hubql▲109Turn data models and APIs into diagrams and documentation
2023 · hubql.com · its alternatives →
- 16
Schema Lens▲10Visualize and manage your database schemas
2025 · schema-lens.vercel.app · its alternatives →
- 17AS
Hi HN, we're Eric and Dean, creators of SchemafreeSQL. Its roots go back to an on-line Web App Development Environment we developed back in 1999. It was comprised of an IDE, Web Server, Object Store, Virtual File System, Template System, and polyglot (Java, JavaScript, and Python). Of course, we named it “.OS”. Then we ended up dropping it. But that's a story for another time. It was the ease of use of the Object Store from .OS that we really missed, which brings us back to SchemafreeSQL. It provides an enhanced API to your SQL Database which allows it to function as a Schemaless…
2022 · schemafreesql.com · its alternatives →
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A look at modern database approaches and how Citus scales PG
2016 · its alternatives →
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- 23SO
2019 · ditabase.io · its alternatives →
- 24SC
Hello, I'm Eric, developer and co-founder of Xornet, Inc. the company behind our new service, SchemafreeDB. This is a 2nd submission... we removed some obscurity from the original submission title. SchemafreeDB was designed from the ground-up to enable Rapid Database Development for web developers. SchemafreeDB's unique combination of features include: * Creation of free-form data structures on the fly at insert-time. e.g. Simply add an attribute 'phone-extension' to any phone object, without disturbing your existing phone objects, all without visiting a schema design stage. * Full SQL…
2012 · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →