head to head · open source
Krayin vs roapi
Krayin has 24,096 GitHub stars, 1,677 forks, 121 open issues and last shipped 2 days ago. roapi has 3,435 stars, 211 forks, 66 open issues and last shipped 7 months ago. Krayin leads on adoption by 601% (24,096 vs 3,435 stars). Krayin is written in PHP under MIT; roapi is written in Rust under Apache-2.0. Krayin has attracted 7% as many forks as stars, roapi 6%. Krayin was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Krayin | roapi | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 3.4K |
| License | MIT | Apache-2.0 |
| Written in | PHP | Rust |
| Last push | 2026-11-01 | 2026-03-25 |
| Forks | ⑂ 1.7K | ⑂ 211 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Krayin if
- You weight community size — 24K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick roapi if
- You want the roapi feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and roapi fits your workflow better
About Krayin
Topics 1. Introduction 2. Documentation 3. Requirements 4. Installation & Configuration 4. Docker Installation 5. Krayin Cloud System 6. License 7. Security Vulnerabilities Introduction Krayin CRM is a hand tailored CRM framework built on some of the hottest opensource technologies such as Laravel (a PHP framework) and Vue.js a progressive Javascript framework. Free & Opensource Laravel CRM solution for SMEs and Enterprises for complete customer lifecycle management. Read our documentation: Krayin CRM Docs We also have a forum for any type of concerns, feature requests, or discussions. Please visit: Krayin CRM…
read the full Krayin overview →
About roapi
ROAPI ROAPI automatically spins up read only APIs for static datasets without requiring you to write a single line of code. It builds on top of Apache Arrow and Datafusion. The core of its design can be boiled down to the following: Query frontends to translate SQL, FlightSQL, GraphQL and REST API queries into Datafusion plans. Datafusion for query plan execution. Data layer to load datasets from a variety of sources and formats with automatic schema inference. Response encoding layer to serialize intermediate Arrow record batch into various formats requested by client. See below for a high level diagram…
read the full roapi overview →
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Frequently asked questions
Is Krayin or roapi more popular?
Krayin has 24,096 GitHub stars and roapi has 3,435. Krayin has the larger community by that measure.
Are Krayin and roapi free?
Both are open source. Krayin is licensed under MIT and roapi under Apache-2.0. Neither carries a licence fee.
What is the difference between Krayin and roapi?
Krayin is written in PHP and roapi in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Krayin or roapi?
Choose Krayin if you want the larger community (24,096 stars) or its MIT licence terms. Choose roapi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.