Drilldown: tool

Eventbrite (1) · Rocket.Chat (1) · Words of Justice (1)

AI co-pilot for Palestine advocacy (1) · event promotion and ticketing platform (1) · open-source Slack alternative with omnichannel support (1)

https (3)

nextcloud.com/calendar · slack.com · akaunting.com · bitwarden.com · civicrm.org · clickup.com · cnn.com · digitalocean.com · eventbrite.com · github.com/doikayt/qwiki · mattermost.com · miraheze.org · montastic.com · nextcloud.com · onlyoffice.com · proton.me/mail · rocket.chat · wordsofjustice.org · workspace.google.com · Other · None

free (3)

None (1) · Commercial/Government/Defense tiers are custom-priced (free self-hosted Community edition available) (1) · Free events are always free. Paid tickets: ~3.7%+$1.79/ticket plus 2.9% payment processing, no fee cap. Pro email tiers $15-100/mo (nonprofits get 50% off after verification). (1)

closed (2) · open (1)

cloud (2) · hybrid (1)

None (1) · Event listing, promotion, and ticketing -- event pages, RSVP/ticket sales, and email promotion to an audience list. Free to publish and manage free events with no platform fee; fees only apply to paid ticket sales. (1) · MIT-licensed, self-hostable team chat with channels, voice/video, and broad integration support. Its omnichannel inbox unifies live chat, email, WhatsApp, and Telegram into one agent queue -- useful if you also want to replace a separate customer-support tool, not just internal chat. (1)

None (1) · Explore active campaigns from the Campaigns tab. Mobile apps available on iOS (App Store) and Android (Google Play). (1) · Has the most GitHub momentum of the self-hosted Slack alternatives (~45k stars). The free Community edition covers most day-to-day needs; exceeding Starter-plan limits blocks adding new users but does not lock you out of existing data. (1)

None (3)

Generate Content From AI (1) · Outbound Comms (1) · Team Collaboration (1)