head to head · open source
Krayin vs delta
Krayin has 24,096 GitHub stars, 1,677 forks, 121 open issues and last shipped 2 days ago. delta has 9,065 stars, 2,206 forks, 955 open issues and last shipped yesterday. Krayin leads on adoption by 166% (24,096 vs 9,065 stars). Krayin is written in PHP under MIT; delta is written in Scala under Apache-2.0. Krayin has attracted 7% as many forks as stars, delta 24%. delta 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 | delta | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 9.1K |
| License | MIT | Apache-2.0 |
| Written in | PHP | Scala |
| Last push | 2026-11-01 | 2026-11-02 |
| Forks | ⑂ 1.7K | ⑂ 2.2K |
| 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 delta if
- You want the delta feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Scala
- You evaluated both and delta 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 delta
Delta Lake is an open source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs for Scala, Java, Rust, Ruby, and Python. See the Delta Lake Documentation for details. See the Quick Start Guide to get started with Scala, Java and Python. Note, this repo is one of many Delta Lake repositories in the delta.io organizations including delta, delta rs, delta sharing, kafka delta ingest, and website. The following are some of the more popular Delta Lake integrations, refer to delta.io/integrations for the complete list: Apache…
read the full delta overview →
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Frequently asked questions
Is Krayin or delta more popular?
Krayin has 24,096 GitHub stars and delta has 9,065. Krayin has the larger community by that measure.
Are Krayin and delta free?
Both are open source. Krayin is licensed under MIT and delta under Apache-2.0. Neither carries a licence fee.
What is the difference between Krayin and delta?
Krayin is written in PHP and delta in Scala. 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 delta?
Choose Krayin if you want the larger community (24,096 stars) or its MIT licence terms. Choose delta if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.