Add list of human tutor websites

README.md

@@ -57,6 +57,16 @@ These can't be cloned but are worth evaluating alongside the open-source options
 - [Speak](https://www.speak.com) (~$15-20/mo) — structured curriculum, good for beginners
 - [ELSA Speak](https://elsaspeak.com) (~$6-10/mo) — phoneme-level pronunciation analysis (English only)
 
+## Human Tutors
+
+- [italki](https://www.italki.com) — largest marketplace, 30k+ tutors, 150+ languages, pay-per-lesson from ~$4/hr
+- [Preply](https://preply.com) — subscription-based, 100k+ tutors, more structured, $10-40/hr
+- [Cambly](https://www.cambly.com) — English-only, on-demand native speakers 24/7
+- [Verbling](https://www.verbling.com) — 70+ languages, vetted professional tutors
+- [Lingoda](https://www.lingoda.com) — structured group/private classes, small groups up to 5
+- [AmazingTalker](https://www.amazingtalker.com) — marketplace popular in Asia, AI-powered tutor matching
+- [LanguaTalk](https://languatalk.com) — curated tutors (~3% acceptance rate), European languages
+
 ## The DIY Stack
 
 If none of these fit, the common architecture for a custom speaking tutor: