Drilldown: tool

OnlyOffice (1) · Proton Mail (1) · Salesforce (1)

encrypted email with a free tier (1) · self-hosted office suite with real-time editing (1) · team messaging with channels threads and integrations (1)

https (3)

onlyoffice.com (1) · proton.me/mail (1) · slack.com (1)

free (1) · recurring/mo (2)

None · $4.99/mo, or $3.99/mo billed annually (free tier available) · $6/month (entry-level Droplet: 1 GB RAM, 1 vCPU, 25 GB SSD NVMe) · $7/user/month (free tier available) · $8.75/user/month (free tier available) · Cloud DocSpace Business $20/admin/mo; self-hosted Enterprise license from $1,500 (50 connections) · paid plans from $5/mo · Self-hosted is free, no user limit. Enterprise support from EUR 67.89/user/yr (100-user minimum). Nextcloud One managed hosting ~EUR 13-15/user/mo. · Other

closed (1) · open (2)

cloud (2) · hybrid (1)

None (2) · Cloud-based team messaging platform with channels, threads, and integrations. Free tier limits message history to 90 days and caps integrations at 10. (1)

None (1) · Guest access available on paid plans for external collaborators. Slack Connect allows cross-organization channels with other Slack workspaces. (1) · Zero-access encryption means Proton cannot read message content or hand it over even under legal request -- worth flagging for teams handling sensitive organizing communications. No self-hosting option; mail is hosted on Proton's own infrastructure in Switzerland. (1)

None (3)

Email (1) · Office Suite (1) · Team Collaboration (1)