- Improv Resource Center
- National website dedicated to improv featuring articles, message boards, event calendars and more.
- YESand!com
- National improv center with spotlights, articles, message boards and event calendars.
- The New Improv Page
- Site containing listings of improv groups, performers, festivals, workshops and classes, games, and events.
- Improv Encyclopedia
- A compilation of short form games, long form formats, exercises, warm-ups and more.
- Learn Improv
- A site offering warm-ups, exercises, formats, structures, ask-fors, and guides to conducting workshops and shows.
