Software · 3D, CAD & electronics

Splash

Immersive video mapping engine.

Completely free
Linux
Open source

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Flathub
License: GPL-3.0 — Open source (copyleft)confirmed by Flathub
Open source: Yes
Commercial use: Yesconfirmed by Flathub, Official plan pages (pricing, licence, terms)
Account required: not documented
Credit card required: Noconfirmed by Flathub
Watermark: not documented
Ads: not documented
Platforms: LinuxEstablished by Linux: Flathub
Publisher: Emmanuel Durand
Latest version: 0.12.6 (1 September 2026)
Latest activity: 2 September 2026
Source code: gitlab.com/splashmapper/splash

At a glance

Splash is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

Splash is a video mapping software, dedicated to deploying immersive spaces. Splash takes care of semi-automatically calibrating the videoprojectors (field of view, optical shift, projection blending and color), and feeding them with the input video sources. Calibration relies on a 3D model of the projection surfaces, which allows for matching the real and virtual spaces. Ultimately this can lead for instance to projecting onto mobile objects, or hiding the physical space when used with head tracking. Splash is very flexible, but its user interface is organized around one main goal: mapping immersive spaces and allow for creators to bring content to the physical world using any tool they know and master. As such the main features of Splash are: Unlimited outputs, including physical (graphics card) and network outputs (NDI) Semi-automatic projectors calibration, based on a 3D model of the physical space Automatic blending computation of any number of projectors, whatever the overlapping between them Real-time blending computation, allowing for blending moving tracked objects Unlimited number of video inputs, live and pre-rendered Entirely controlable through OSC Scriptable through Python Runs on single board computers as well as media servers Does one thing, as best as possible

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 9 November 2026
Last technical check: 7 November 2026
Description from Flathub — AppStream (Flathub)

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