Million
million.devMillion builds open-source developer tools, datasets, and reinforcement learning environments for web and coding agents.
Looking for something like Responsively? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 4 are open source.
Responsively App helps developers inspect responsive web designs in a browser built for device previews.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Million | — | Not stated | Web |
| 2 | Free Developer Stuff | — | Not stated | Web |
| 3 | Web Dev Checklist | — | Not stated | macOS, Web, Windows |
| 4 | ImHex | — | Not stated | Web |
| 5 | DelphiTools | — | Not stated | Web |
| 6 | Encodedna | — | Not stated | Web |
| 7 | Devhints | — | Not stated | Android, Web |
| 8 | It Tools | — | Yes | Web |
| 9 | Free for Developers | — | Not stated | Web |
| 10 | IT Tools | — | Not stated | Web |
Million builds open-source developer tools, datasets, and reinforcement learning environments for web and coding agents.
Free Developer Stuff curates free tools and services developers can use for projects and prototypes.
The Web Developer Checklist helps teams review best practices before launching a website.
Analyze binary data and use pattern language or disassembly in ImHex, an open-source hex editor for reverse engineers and developers.
DelphiTools provides a sampling profiler and other utilities for Delphi and Pascal developers.
EncodeDna offers practical developer tools and coding resources for common programming tasks.
Devhints collects developer cheat sheets covering tools and languages such as Bash, Go, React, Sass, and Vim.
Online tools for common developer tasks are collected in IT Tools, a repository of technical utilities.
Free for Developers curates services with free tiers for developers and open-source authors.
Use IT Tools, a free, open-source collection of online utilities for software developers and IT professionals.
Browse a list of tools and programs for developers, DevOps teams, system administrators, and others.
This GitHub repository collects additional online utilities for developers, including contributions from its maintainer and others.
Use Web ToolBox for browser-based formatting, conversion, encoding, generation, and validation tasks in web projects.
Handle tasks such as JSON formatting, text comparison, and regular expression testing with DevToys, a desktop toolkit.
WakaTime tracks coding time and AI usage across editors, with views by project and language.
Devina groups 78 online tools for text, time, data, media, networking, code, and other work.
EditorConfig helps maintain consistent coding styles across different text editors through a shared file format.
Find free, single-purpose online utilities for building websites in the Tiny Helpers collection.
Test beta versions of apps and App Clips with Apple TestFlight; the listing says it is not currently accepting new testers.
Beauty Code creates shareable images of source code and helps organize code snippets.
The repository collects server implementations for the Model Context Protocol.
Valinor maps input data into strongly typed PHP structures without external dependencies.
Responsive Viewer previews, screenshots, annotates, and compares website layouts across multiple screen sizes.
Inspect and edit binary files in a browser with HexEd.it, a hex editor for hexadecimal data.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative