https://virtastic.app/news/ Releases and engineering write-ups from Virtastic: open-source desktop apps running in your browser. en Tue, 29 Sep 2026 12:00:00 GMT https://virtastic.app/blog/bringing-legacy-desktop-software-to-the-browser/ https://virtastic.app/blog/bringing-legacy-desktop-software-to-the-browser/ Tue, 29 Sep 2026 12:00:00 GMT A field report from porting FreeCAD to WebAssembly: the business case, the measured results, and the engineering behind it. Written for the executive deciding whether to do it and the engineer who has to. https://virtastic.app/blog/past-the-4gb-wall/ https://virtastic.app/blog/past-the-4gb-wall/ Tue, 29 Sep 2026 12:00:00 GMT A field report on compiling OpenMW and its whole dependency stack to wasm64: the bugs that printed nothing, the measurements with their conditions, and what it costs. https://virtastic.app/blog/calculix-fortran-solver-in-the-browser/ https://virtastic.app/blog/calculix-fortran-solver-in-the-browser/ Mon, 28 Sep 2026 12:00:00 GMT CalculiX, a 977-file Fortran finite-element solver, running client-side in the browser. What it took, how we know the answers are right, and what is still open. https://github.com/Virtastic/ja2-web/releases/tag/v1.0.4 https://github.com/Virtastic/ja2-web/releases/tag/v1.0.4 Sun, 27 Sep 2026 12:00:00 GMT A sweep for more bugs of the same kinds as #5, #6 and #8. UI off-screen on non-battle screens (same class as #6). https://github.com/Virtastic/freecad-web/releases/tag/v1.0.5 https://github.com/Virtastic/freecad-web/releases/tag/v1.0.5 Thu, 24 Sep 2026 12:00:00 GMT FreeCAD 1.1.3 in the browser. Rotating the view with the mouse works again. In FreeCAD's default CAD navigation you rotate by holding the middle button and then pressing the left (or right) button... https://github.com/Virtastic/freecad-web/releases/tag/v1.0.4 https://github.com/Virtastic/freecad-web/releases/tag/v1.0.4 Wed, 23 Sep 2026 12:00:00 GMT FreeCAD 1.1.3 in the browser. Status bar and quick measure. FreeCAD's status bar now stays visible, as on desktop. It was hidden as soon as a document opened. https://virtastic.app/blog/freecad-web-1-0/ https://virtastic.app/blog/freecad-web-1-0/ Tue, 22 Sep 2026 12:00:00 GMT FreeCAD 1.1.3 compiled to 64-bit WebAssembly. Every workbench, FEM that meshes and solves in the tab, the Addon Manager, a share link that opens your model for anyone, and an MCP endpoint so an AI can drive it. Released today, LGPL, one Docker command to self-host. https://github.com/Virtastic/openmw-web/releases/tag/v1.4.1 https://github.com/Virtastic/openmw-web/releases/tag/v1.4.1 Tue, 22 Sep 2026 12:00:00 GMT Nobody can hide the world from everybody. A client may toggle refs in cells it is nowhere near -- that is how Morrowind's own scripts work, disabling a hundred quest refs across the island as your... https://github.com/Virtastic/openmw-web/releases/tag/v1.3.4 https://github.com/Virtastic/openmw-web/releases/tag/v1.3.4 Tue, 08 Sep 2026 12:00:00 GMT Multiplayer had never simulated a world on a released image. Found by playing the game as a player — signing in at the front door with a username and a password, on a server hosting the files —... https://virtastic.app/blog/openmw-web-v110/ https://virtastic.app/blog/openmw-web-v110/ Wed, 19 Aug 2026 12:00:00 GMT The biggest update since launch. Upload your copy of Morrowind once and play it on any machine you sign in from, saves included. Plus multiplayer, which Morrowind never had. https://github.com/Virtastic/ja2-web/releases/tag/v1.0.1 https://github.com/Virtastic/ja2-web/releases/tag/v1.0.1 Fri, 07 Aug 2026 12:00:00 GMT Cloud Locker: sign in once, upload your own Jagged Alliance 2 data, and play it from any machine with your saves synced. https://virtastic.app/blog/jagged-alliance-2-in-the-browser/ https://virtastic.app/blog/jagged-alliance-2-in-the-browser/ Mon, 03 Aug 2026 12:00:00 GMT Own Jagged Alliance 2? Point a browser at your copy and play it. The open-source Stracciatella engine recompiled to WebAssembly: full campaign, tactical combat, nothing to install. https://virtastic.app/blog/openmw-web-v101/ https://virtastic.app/blog/openmw-web-v101/ Mon, 27 Jul 2026 12:00:00 GMT The first update since launch. Disk-backed saves for bring-your-own-data players, a new resolution tier with crisp menus, real guidance in the launcher, and the end of a nasty CDN caching bug. https://virtastic.app/blog/openmw-morrowind-engine-in-the-browser/ https://virtastic.app/blog/openmw-morrowind-engine-in-the-browser/ Fri, 17 Jul 2026 12:00:00 GMT How we ported the open-source Morrowind engine to WebGL2 (with a WebGPU path in progress) and WebAssembly, the rendering bugs that only exist on the web, and what a game engine proves about modernizing serious software. https://virtastic.app/blog/compiling-qgis-desktop-to-webassembly/ https://virtastic.app/blog/compiling-qgis-desktop-to-webassembly/ Wed, 08 Jul 2026 12:00:00 GMT How we took the full QGIS desktop GIS, Qt Widgets and GDAL and all, into the browser, what got better, and what it teaches about modernizing desktop apps. https://virtastic.app/blog/why-modernize-instead-of-rewrite/ https://virtastic.app/blog/why-modernize-instead-of-rewrite/ Mon, 06 Jul 2026 12:00:00 GMT Rewriting a legacy desktop app costs years and loses features. Recompiling it to WebAssembly keeps the exact app and moves it to the browser, fast.