head to head · open source
Hoppscotch vs aws-lambda-fastify
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 3 days ago. aws-lambda-fastify has 560 stars, 37 forks, 5 open issues and last shipped 2 months ago. Hoppscotch leads on adoption by 14,246% (80,336 vs 560 stars). Hoppscotch is written in TypeScript under MIT; aws-lambda-fastify is written in JavaScript under MIT. Hoppscotch has attracted 8% as many forks as stars, aws-lambda-fastify 7%. Hoppscotch was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api), 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
| Hoppscotch | aws-lambda-fastify | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 560 |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-16 | 2026-08-04 |
| Forks | ⑂ 6.1K | ⑂ 37 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hoppscotch if
- You weight community size — 80K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick aws-lambda-fastify if
- You want the aws-lambda-fastify feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and aws-lambda-fastify fits your workflow better
About Hoppscotch
Hoppscotch is an open source API development ecosystem that provides a full featured client for designing, testing, and documenting APIs. It operates as a web based application, desktop app, and CLI tool, supporting offline, on premises, and cloud deployments. Built with TypeScript and licensed under MIT, it serves as a direct open source alternative to proprietary tools like Postman and Insomnia.
read the full Hoppscotch overview →
About aws-lambda-fastify
aws lambda fastify is an MIT licensed JavaScript library that runs a Fastify application as an AWS Lambda handler behind API Gateway or an Application Load Balancer, built for Node.js teams that already write HTTP APIs with Fastify and want to deploy them serverless without rewriting their routes.
read the full aws-lambda-fastify overview →
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Frequently asked questions
Is Hoppscotch or aws-lambda-fastify more popular?
Hoppscotch has 80,336 GitHub stars and aws-lambda-fastify has 560. Hoppscotch has the larger community by that measure.
Are Hoppscotch and aws-lambda-fastify free?
Both are open source. Hoppscotch is licensed under MIT and aws-lambda-fastify under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and aws-lambda-fastify?
Hoppscotch is written in TypeScript and aws-lambda-fastify in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Hoppscotch or aws-lambda-fastify?
Choose Hoppscotch if you want the larger community (80,336 stars) or its MIT licence terms. Choose aws-lambda-fastify if its feature set, stack or MIT licence fits better. Both are self-hostable.