reCAPTCHA is mostly powered by open source software. We'd like to thank all open source developers for creating tools that help in developing applications such as ours, but especially the developers of:lighttpd - the blazing fast webserver that powers reCAPTCHA. MySQL - helps us keep track of books and words. Thrift - an RPC framework that allows for easy versioningPython - most of reCAPTCHA is written in Python. Python Imaging Library - powers the distortions of our visual captchas. Django - powers our system administration website. SoX - powers our audio captchas. sponsor logosBlog | About Us | Contact | FAQ
| Website | http://www.recaptcha.net |
| Revenue | $197000 |
| Employees | View employees |
| Founded | 2007 |
| Industry | Network Security Hardware & Software, Security, Application Software, Computer Equipment & Peripherals, Privacy and Security, Other Software, Manufacturing |
| Competitors | Google, Cloudflare, HUMAN, Sift, Arkose Labs, DataDome, PerimeterX (now HUMAN), Imperva (Formerly Distil Networks), hCaptcha +37 more (view full list) |
| SIC | SIC Code 357 Companies, SIC Code 35 Companies |
| NAICS | NAICS Code 33 Companies |
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The reCAPTCHA annual revenue was $197000 in 2026.
reCAPTCHA is based in Mountain View, California.
The NAICS codes for reCAPTCHA are [33].
The SIC codes for reCAPTCHA are [357, 35].
