CastForge · for Windows
CastForge is a Windows tray app for streamers who broadcast to more than one platform. It merges Twitch, Kick, YouTube, TikTok, Discord, and Restream chat into one queue, reads messages out loud with per-platform voices, ships drag-and-drop overlays, and runs a local multistream relay — all from one window. One license, one machine, lifetime of the product.
v2.2.30 shipped · v2.2.31 in flight · pricing announced soon
Your current setup probably looks something like this:
You miss messages. The TTS you do hear is one platform read by a robot voice you cannot change. Your overlays cost $7/month each. Your multistream costs $20/month and downscales your video. Your bot bans someone on Twitch but not on Kick because the two services do not talk. Half your stream is glue.
CastForge is what happens when one engineer gets tired of all of that and writes the whole stack as a single Windows app.
Four jobs, one window. Each one is the kind of thing you would otherwise pay a separate service for.
Pillar 1
Native connectors to every platform you stream on. Messages merge into a single feed, tagged by source, with reconnect logic that survives the bad coffeeshop wifi.
Pillar 2
High-quality Microsoft neural voices via Edge TTS, with a local Windows fallback if the internet hiccups. Pick a different voice per platform if you want.
Pillar 3
Drag-and-drop overlays for chat, alerts, goals, captions, and more. A local multistream relay that fans your OBS feed out to every platform at once. No cloud round-trip, no quality downgrade, no monthly fee.
Every platform listed here is a first-class citizen — chat reads out loud, appears in the merged feed, and respects the same filters and voice mappings. Restream covers most platforms not listed here directly (Facebook, LinkedIn, X, and more).
Twitch, Kick, YouTube, TikTok, Discord, Restream — merged feed, source-tagged, one TTS pipeline. Most TTS bots are Twitch-only.
Twitch can sound different from Kick. The queue mixes seamlessly. No other tool does this natively.
OBS → CastForge → every platform in parallel. No cloud, no downscale, no monthly fee.
Chat overlay, goals, alerts, now-playing, captions — all included. No separate paid services.
CastForge talks to the streaming platforms you connect to, plus our license-activation Worker. That is the whole network surface.
Every build passes ~50 automated quality gates: security review, mutation tests, mirror byte-equality, visual regression. Most desktop streaming apps ship without tests at all.
Three modes shipped: text-size scaling, colorblind-safe palette, broadcaster-mode high contrast. Reduced-motion respected.
CastForge talks to four things: the streaming platforms you connect to, the Cloudflare Worker that activates your license, GitHub for auto-updates, and the bug-report Worker if you submit a bug. There is no analytics SDK, no error tracker, no behavioral pixel. Your chat never leaves your machine.
Platform OAuth tokens (Twitch, YouTube, etc.) live in Windows' built-in encrypted credential vault. We do not store your passwords. If the encryption layer ever flips, CastForge warns you immediately.
Your license is bound to a hash of your machine's CPU + MAC + hostname. A leaked key will not work on someone else's computer. Reinstalling Windows is fine; replacing your motherboard might need a re-issue.
Before any installer leaves the dev machine, CastForge runs a hardened pipeline: security review, mutation tests, source coverage, baseline ratchet, mirror byte-equality, headless render smoke, visual regression. The same pipeline that gates an enterprise SaaS gates this app.
CastForge is in active development on its v2.2.x line. The license bus, bug reporter, and auto-updater are live. Pricing is being finalized. Drop your email and we'll let you know the moment it ships publicly.