Description: PostgreSQL is an open source, object-relational database management system known for its reliability, performance, and SQL compliance. It runs on all major operating systems and has a rich set of features including complex queries, foreign keys, triggers, views, and ACID compliance.
Type: software
Pricing: Free
Description: QPush is an open-source push notification service that allows sending push notifications to mobile devices. It supports iOS, Android, web push, and more. QPush has a simple API and dashboard to easily send notifications.
Type: software
Pricing: Open Source