Open Source Backend Development Tools

Alternative toDiscord

Open source Discord alternative with flexible community tools

• 400 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #Chat

InBusiness & Productivity

Self-hosted media manager replacing Sonarr, Radarr, and Bazarr.

• 388 GitHub stars
• GPL-3.0Licence GPL-3.0

Alternative toCouchbase Capella

Scalable Big Data management with high-performance analytics

• 318 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

InDeveloper Tools

Systems language: manual memory, no GC, LLVM-native compilation

• 214 GitHub stars
• MITLicence MIT

Alternative toPlayFab

Self-hosted game backend with matchmaking, leaderboards, and LiveOps.

• 21 GitHub stars
• MPL-2.0Licence MPL-2.0