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WhatsThatSign vs SignLex
How do WhatsThatSign and SignLex compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | WhatsThatSign | SignLex |
|---|---|---|
| What it is | This ASL dictionary offers sign or word searches, with options for alternate spellings and an interface for finding signs. | SignLex offers sign language dictionary entries and lets users mark vocabulary as learned. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | — | English |
| Alternatives |
Other options to consider
Sites similar to both WhatsThatSign and SignLex.
The International Sign dictionary provides word entries, example texts, fingerspelling, and category browsing.
The multilingual Sign Language Dictionary records more than 1,000 signed words across over 100 years and describes their meaning, use, and history.
Visitors can search the interactive Toki Pona dictionary at nimi.li and browse its word entries.
The British Sign Language Dictionary lets users search and compare signs, with more than 21,000 video signs listed.
The NZSL Online dictionary provides reference entries for New Zealand Sign Language learners and users.







