Dev tools · alternatives · 2026

24 alternatives to OneGen

Application data modeling meets code generation

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. OneGen launched in 2022; newer entries below may have overtaken it.

1OA
OneGen – A new way to design data models▲7
Hi, I’m the technical founder of OneGen. I've been a software engineer for over a decade, but it wasn't until the pandemic that I decided to take a leap of faith and build an innovative solution to designing data models. Most applications & SDKs support more than one platform. And for each platform, software engineers write and maintain the same (or similar) data models. I thought that if I could design data models completely independent of a database or a programming language in a way that allows versioning and collaboration and then generate the model code for whatever the technology stack…
2022 · onegen.io · its alternatives →
2OD
OneModel – Diagramming tailor-made for Software Engineers▲98
2022 · onemodel.app · its alternatives →
3
Fastgen▲691
Visual low-code backend builder
2023 · its alternatives →
4
a0.dev▲479
Generate full mobile apps with AI
2025 · its alternatives →
5
Annotate▲106
Powering AI, one data point at a time
2023 · its alternatives →
6
AI App Generator▲508
Turn AI ideas into working apps in seconds
2024 · its alternatives →
7
Generate Anything ▲300
Generate, rig, and animate any 3D model with AI
2024 · its alternatives →
8
Mock API Generator▲548
Generate custom data & API to build apps in less than 30s
2021 · its alternatives →
9
UI Bakery AI App Generator▲437
Prompt to web app
2024 · its alternatives →
10
Autocode▲291
Build app-to-app API workflows with automatic codegen
2020 · its alternatives →
11
CodeSee Maps▲404
Visualize code for faster onboarding, planning, and reviews.
2021 · its alternatives →
12
FlutterFlow AI Gen▲330
Build an app with AI by your side
2023 · its alternatives →
13
Startup Generator▲172
Generate potential startup ideas with a single click!
2017 · its alternatives →
14
ob1 by Outerbase▲280
Generate APIs, databases, and your backend with a prompt.
2023 · its alternatives →
15
Narrator▲175
All your data, one table. A new standard for data modeling.
2020 · its alternatives →
16
Universal Data: Generate▲101
Create data on-the-fly using AI knowledge
2023 · its alternatives →
17VD
Visualize database schemas with a single query▲227
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 →
18
Skaffolder 2.0▲162
Create web applications in a few clicks 💻
2019 · its alternatives →
19
IT Tools▲144
Collection of handy online tools for devs, with great UX
2022 · its alternatives →
20
UIGen – Production UI from any API spec with full override control▲49
Runtime-rendered UI for web, IoT, and embedded systems. Zero codegen - darula-hpp/uigen
May 2026 · github.com · its alternatives →
21
Tin▲112
Generate executable applications instantly
2022 · its alternatives →
22
Schema Generator Tool▲133
Generate more traffic to your websites using this free tool.
2022 · its alternatives →
23GW
Generate Web Interfaces from Data▲39
Feb 2026 · github.com · its alternatives →
24
Instantgen AI▲76
Leverage AI tools to create incredible content 10X faster
2023 · 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 →