https://medium.mybridge.co/38-amazing-android-open-source-apps-java-1a62b7034c40
<Social Networking>
<News>
<Photos & Videos>
<Productivity>
<Music>
<Game>
<Messaging>
<Media>
<Finance>
<Architecture>
<Utilities>
<Reference>
<Weather>
========================================
45 Amazing Node.js Open Source for the Past Year (v.2019)
https://medium.mybridge.co/45-amazing-node-js-open-source-for-the-past-year-v-2019-c774d750e925
Node.js Projects (1~12)
Web Building Tools (13~22)
Node.js Toolkits (23~41)
Server-side Tools (42~45)
=======================================
10 Best Open-Source Projects Built Using PHP
https://www.dunebook.com/best-php-open-source-projects/
1. PHPMailer
2. Design Patterns PHP
3. Platform-Agnostic Security Tokens
4. Faker
5. Craft CMS
6. Churn-PHP
7. Monica
8. PHPUnit Pretty Result Printer
9. Laravel Page Speed
10. PsySH
