Best Onform Alternatives in 2026

Updated October 2026

20 apps from video annotation software ranked against Onform on the same published basis.

Onform alternatives compared

#	App	Score	Free plan	From	Runs on
2	BORIS	6.6	Free plan	Free	Android, Linux, Mac, self-hosted, Windows
3	Frame.io	6.6	Free plan	$15/mo	API, Browser, iOS, Mac, Web, Windows
4	FrameQuery	6.6	Free plan	$19/mo	API, Mac, Web, Windows
5	Label Studio	6.6	Free plan	$99/mo	API, Linux, Mac, self-hosted, Web, Windows
6	InqScribe	6.5	Free plan	$10/mo	Mac, Windows
7	MAXQDA	6.5	No	—	Mac, Windows
8	Roboflow	6.5	Free plan	$39/mo	Android, API, iOS, self-hosted, Web
9	CVAT	6.4	Free plan	$1.92/mo	API, self-hosted, Web
10	Supervisely	6.4	Free plan	€199/mo	API, self-hosted, Web
11	ELAN	5.6	No	—	Linux, Mac, Windows
12	LongoMatch	5.4	Free plan	€1.95/mo	Android, iOS, Mac, Web, Windows
13	Nacsport	5.4	No	$195.83/mo	Android, iOS, Mac, Web, Windows
14	Tator	5.4	No	—	API, self-hosted, Web
15	Datavyu	5.3	No	—	Windows, Mac, Linux
16	ftrack Studio	5.3	No	$30/mo	API, iOS, Linux, Mac, Web, Windows
17	Once Sport	5.3	No	—	Linux, Mac, Web, Windows
18	Dartfish	5.2	No	€7/mo	Android, API, iOS, Windows
19	dfine.io Review	5.2	No	—	Web, Mac
20	Workflaws	5.2	No	—	Web
21	ATHLYZER	5.1	No	—	Web, Windows, Mac, iOS, Android

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What is the best alternative to Onform?

BORIS, number 2 in video annotation software with a score of 6.6 out of 10. The others here: Frame.io, FrameQuery, Label Studio and 16 more.

What is the best free alternative to Onform?

BORIS is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.