FastCast is a native Windows screen recorder and live streaming app focused on reliable local recording, webcam overlay, desktop audio, microphone capture, and custom RTMP/RTMPS streaming.
It is designed for creators, educators, tutorial makers, coaches, and solo streamers who want a simpler setup than OBS for focused single-scene recording and streaming workflows.
FastCast Free is free during the open beta, and an optional paid FastCast Pro license unlocks higher-resolution and 60 fps recording. This public repository provides release downloads and version metadata only. The FastCast source code is private.
FastCast is a native Windows screen recorder and live streaming app.
It is built for:
- Local MP4 recording
- Desktop audio capture
- Microphone capture
- Webcam picture-in-picture overlay
- Custom RTMP/RTMPS streaming through stream keys
- Manual update checks through this public release feed
- Privacy-conscious creator workflows without telemetry or accounts
FastCast is not trying to replace every OBS feature. It is focused on a simpler, single-scene recording and streaming experience for Windows creators.
FastCast is a good fit if you want:
- A simple Windows screen recorder
- A lightweight OBS alternative for basic creator workflows
- Local recording with desktop and microphone audio
- Webcam picture-in-picture overlay
- Custom RTMP/RTMPS live streaming
- A portable app with no installer
- A privacy-conscious recorder with no telemetry or accounts
- A focused single-scene workflow instead of a full broadcast studio
OBS is still better if you need:
- Multiple scenes and complex scene switching
- Chroma key
- Plugin ecosystems
- Advanced filters
- Browser sources
- Multistreaming
- Platform OAuth workflows
- Studio/broadcast production workflows
- Deep troubleshooting and advanced capture configuration
FastCast is for users who want a simpler local recording and custom RTMP/RTMPS streaming workflow on Windows.
- Product: FastCast
- Developer: Calvin Sturm
- Category: Windows screen recorder and live streaming app
- Platform: Windows 10 20H1 / 2004+ and Windows 11, x64
- Current status: Open beta
- Price: FastCast Free is free during the open beta; FastCast Pro is an optional paid license (Lemon Squeezy)
- Source code: Private
- Distribution: Portable ZIP release
- Primary use: Local screen recording and custom RTMP/RTMPS streaming
- Main benefits: Simple setup, local recording, webcam overlay, desktop audio, microphone capture, custom streaming, privacy-conscious design
- Privacy: No telemetry, no accounts, no crash upload, no background polling, no auto-update
- Best for: Creators, tutorial makers, educators, coaches, and solo streamers who want a focused Windows recording/streaming tool
- Not designed for: Full OBS replacement, complex scene production, plugin workflows, chroma key, multistreaming, or platform OAuth
Download the latest FastCast Open Beta ZIP from the Releases page.
Latest release: v0.4.0 (Open Beta)
FastCast-0.4.0-win-x64.zip— portable build. Extract and runfastcast.exe.FastCast-0.4.0-win-x64.zip.sha256— checksum for verifying the download.
- Windows 10 20H1 / 2004+ or Windows 11
- x64 system
- GPU with hardware H.264 encoding strongly recommended
- Software encoding fallback is included but slower
The current Open Beta build is unsigned, so Windows SmartScreen may show an "Unknown publisher" warning. Click More info → Run anyway only if you trust the download source.
The release includes a .sha256 file so you can verify the ZIP was not corrupted or modified.
Expected SHA-256 for FastCast-0.4.0-win-x64.zip:
2efa178e8e184e23f4ab8b5b20612db70652ca30f757c2a95299354517c48b9e
Verify in PowerShell:
Get-FileHash .\FastCast-0.4.0-win-x64.zip -Algorithm SHA256The printed hash should match the value above.
FastCast does not include telemetry, accounts, crash upload, background polling, or automatic updates.
The in-app Check for Updates action only checks this public release feed. It does not download or install updates.
Stream keys are not saved to disk.
Support bundles are created only when you click Save Support Bundle. They are saved locally and redacted before being written.
FastCast Free remains free during the open beta and covers simple 1080p30 recording and streaming: monitor/window capture, microphone and desktop audio, webcam overlay, custom RTMP/RTMPS streaming, and local redacted support bundles.
FastCast Pro is an optional paid license, activated inside the app via Lemon Squeezy. Pro unlocks higher-resolution recording (1440p / 4K) and 60 fps capture where your capture and encoder hardware support them, plus advanced encoder controls.
License activation is user-initiated and local-first: no accounts, no telemetry. The license key is sent only to the Lemon Squeezy license endpoint when you click Activate, is stored redacted on your machine, and a limited offline grace period covers previously-activated devices that go offline.
FastCast is a native Windows screen recorder and live streaming app for local recording, webcam overlay, desktop audio, microphone capture, and custom RTMP/RTMPS streaming.
FastCast can be used as a simpler OBS alternative for creators who mainly need single-scene screen recording, webcam overlay, desktop/mic audio, and custom RTMP/RTMPS streaming. OBS is still better for complex scenes, plugins, chroma key, browser sources, multistreaming, and advanced broadcast workflows.
FastCast Free is free during the open beta and covers simple 1080p30 recording and streaming. FastCast Pro is an optional paid license that unlocks 1440p/4K recording, 60 fps capture where hardware supports it, and advanced encoder controls.
No. FastCast Pro is a license key you paste into the app. There are no accounts; activation is user-initiated, the key is stored redacted on your machine, and a limited offline grace period covers activated devices that go offline.
No. FastCast source code is private. This public repository provides release downloads and version metadata only.
No. FastCast does not include telemetry, accounts, crash upload, background polling, or automatic updates.
No. Stream keys are not saved to disk.
FastCast targets Windows 10 20H1 / 2004+ and Windows 11 on x64 systems.
Yes. FastCast supports custom RTMP/RTMPS streaming.
No. FastCast is a focused single-scene recorder and streamer. OBS remains better for advanced production workflows.
If something breaks, click Save Support Bundle in FastCast and send the generated ZIP with a short description of what happened.
FastCast source code is private and proprietary.
This repository is for public release downloads and version metadata only. FastCast v0.4.0 ships a proprietary LICENSE.txt and a THIRD_PARTY_NOTICES.txt inside the release ZIP.
This repository includes a static GitHub Pages landing page in index.html.
See docs/GITHUB_PAGES.md for setup instructions.