Communication
Best Email Collaboration Software in 2026
Places 26–35 of 35.
- 26 Mailtwine
Mailtwine may suit people who want inbox triage, AI-drafted replies, thread summaries, and follow-up actions across mobile, desktop, and web platforms.
Free plan Web · Windows · macOS · Linux7.0 Visit Specs - 27 Astreo Team Inbox From €12/mo Web6.9 Visit Specs
- 28 Plexvia Shared Inbox From $199/mo Free plan Web6.8 Visit Specs
- 29 Mailbutler Inbox Collaboration From $5/mo Web · macOS6.7 Visit Specs
- 30 Repliqo From $15.83/mo Web · Windows · macOS6.5 Visit Specs
- 31 SBX From €8/mo Web · Windows6.5 Visit Specs
- 32 Spark for Teams Free plan Windows · macOS · iOS · Android6.5 Visit Specs
- 33 Mosa Mail From €45/mo Web6.3 Visit Specs
- 34 Google Groups Collaborative Inbox Web5.8 Visit Specs
- 35 Relynt Web5.5 Visit Specs