head to head · open source
ECC vs responsively-app
ECC has 301,272 GitHub stars, 44,448 forks, 252 open issues and last shipped 3 days ago. responsively-app has 25,540 stars, 1,433 forks, 324 open issues and last shipped 1 months ago. ECC leads on adoption by 1,080% (301,272 vs 25,540 stars). ECC is written in JavaScript under MIT; responsively-app is written in TypeScript under AGPL-3.0. ECC has attracted 15% as many forks as stars, responsively-app 6%. ECC was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (developer-tools), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ECC | responsively-app | |
|---|---|---|
| GitHub stars | ★ 301K | ★ 26K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-09 | 2026-10-03 |
| Forks | ⑂ 44K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 301K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick responsively-app if
- You want the responsively-app feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and responsively-app fits your workflow better
About ECC
Language: English العربية Português (Brasil) 简体中文 繁體中文 日本語 한국어 Türkçe Русский Tiếng Việt ไทย Deutsch Español Українська Polski বাংলা [!WARNING] Official sources only. Install ECC only from verified channels: the GitHub repository github.com/affaan m/ECC, the npm packages ecc universal and ecc agentshield , the GitHub App, the plugin slug ecc@ecc , and the project website ecc.tools. Third party re uploads and unofficial mirrors are not maintained or reviewed by the project and may contain malware. Install with Claude Code Use the guided setup or native plugin commands. Both install the same ecc@ecc plugin. Choose…
About responsively-app
Responsively App A must have dev tool for web developers for quicker responsive web development. 🚀 Save time by becoming 5x faster! Download Now (free!): responsively.app Responsively App A modified browser built using Electron that helps in responsive web development. Features 1. Mirrored User interactions across all devices. 2. Customizable preview layout to suit all your needs. 3. One handy elements inspector for all devices in preview. 4. 30+ built in device profiles with the option to add custom devices. 5. One click screenshots on all your devices. 6. Hot reloading is supported for developers. Please…
read the full responsively-app overview →
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Frequently asked questions
Is ECC or responsively-app more popular?
ECC has 301,272 GitHub stars and responsively-app has 25,540. ECC has the larger community by that measure.
Are ECC and responsively-app free?
Both are open source. ECC is licensed under MIT and responsively-app under AGPL-3.0. Neither carries a licence fee.
What is the difference between ECC and responsively-app?
ECC is written in JavaScript and responsively-app in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ECC or responsively-app?
Choose ECC if you want the larger community (301,272 stars) or its MIT licence terms. Choose responsively-app if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.