# CasparCG/server

CasparCG Server is a Windows and Linux software used to play out professional graphics, audio and video to multiple outputs. It has been in 24/7 broadcast production since 2006. Ready-to-use downloads are available under the Releases tab https://casparcg.com.

Repository: https://github.com/CasparCG/server
Canonical: https://ross.abutalabs.com/products/casparcg-server
Language: C++
License: GPL-3.0
License Family: copyleft
Topics: casparcg, casparcg-server, c-plus-plus, professional, broadcast, broadcasting, video-player, video-recording, video-streaming, streaming-video, graphics, graphics-engine
Last push: 2026-08-19T09:29:01+00:00

## Health v2 (maintenance only)
Score: 81/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 98, release rhythm 48, longevity 100
- inputs: {"age_days": 4908, "days_push": 14, "days_rel": 266, "gap_med": 88, "n_releases_24m": 4}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1083, forks 313 (observed 2026-08-28T04:03:31.176014+00:00)

## What it is
CasparCG Server is a professional broadcast playout server that plays out graphics, audio, and video to multiple outputs on Windows and Linux. It has been in continuous 24/7 broadcast production since 2006 and is controlled via client software over a network protocol.

## Use cases
- play out broadcast graphics and video to air
- run a 24/7 TV channel playout server
- record and stream video to multiple outputs
- drive lower-thirds and templates from a control client
- replace expensive hardware broadcast playout systems

## When to choose
- you need professional broadcast-grade video and graphics playout
- you require reliable 24/7 operation with multiple simultaneous outputs
- you work with Decklink capture cards and broadcast workflows

## When to avoid
- you need a simple desktop media player
- you want a lightweight web-based video streaming tool
- you cannot meet the OpenGL 4.5 GPU requirement

## Facets
- artifact type: application
- maturity: stable
- function: video-processing, graphics, audio-processing, streaming
- domain: media, graphics
- platform: windows, cross-platform
- tags: broadcast, playout, video-playback, graphics-playout, decklink, 24-7-production, c-plus-plus, video, broadcasting, linux

## Member repositories
- CasparCG/server (main) score 81

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:31.176014+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:50:12.057340+00:00, confidence not recorded.
  - readme: https://github.com/CasparCG/server (fetched 2026-08-28T04:03:31.176014+00:00, sha a339877f8a96)
- Data as of 2026-08-30T08:39:29.467469+00:00.