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CamStudio vs oCam: catalog facts
CamStudio	oCam
Free Free and open source under GPL-3.0, no subscription.	Freemium Free download, with a paid purchase option.
Windows	Windows
Records full screen, a window or a region Modern codecs H.264, H.265 and AV1 with AAC or FLAC audio	Records screen, games and webcam GIF recording support
Windows only Current builds marked as beta	Windows only High resolutions or frame rates can stutter on weaker hardware
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.