verifier.org

Label Studio

the open-source annotation tool behind heartex, self-hostable

#open-source#self-hosted

Label Studio is listed here for coverage of the category. the entry is ours, not the vendor's: we have not tested it, there is no score, and no pricing is quoted because we have not read it off their own page on a date we can cite.

if you work on Label Studio, claim the listing through /submit and replace this with your own description.

the description above is supplied by the vendor and is not something we have tested. pricing is as they state it.

pricing
not stated

more data labeling vendors

Sama

managed annotation workforce with published ethical-sourcing commitments

#managed#impact

CloudFactory

long-running managed teams for annotation and data work

#managed#teams

Snorkel AI

we checked thisnot published

reduces how much human labelling you need in the first place, which is the only structural answer to this category's problems.

#teams-with-domain-heavy-#documents-who-would-rath

Argilla

we checked thisfree

free open-source annotation tooling with no workforce attached — which is both its strength and the reason it can't finish first.

#teams-with-their-own-ann#or-open-communities-labe