Mattermost Plugins
The following are unrestricted open source plugins for Mattermost that I've made.
Mattermost Social Preview Plugin
A Mattermost plugin that automatically displays rich previews for social media URLs. Supports Mastodon, Bluesky, Twitter/X, Threads, TikTok, and Instagram. Works on all platforms including web, desktop, iOS, and Android.
Andrew Bednarz
Mattermost Reply In Channel Plugin
A Mattermost Plugin that adds a /ric slash command to Mattermost that lets you reply to a thread inline in the channel — similar to Slack’s “Also send to channel” feature. Works on all platforms including web, desktop, iOS, and Android. When you run /ric your message from within a thread,
Andrew Bednarz
Mattermost Scheduled Posts Plugin
Adds scheduled-message support to Mattermost Team Edition (no enterprise license required). Compose a message now, pick a time, and the plugin posts it on your behalf at the scheduled moment. The UI works on web and desktop. Slash command works on all platforms including iOS and Android. What it looks
Andrew Bednarz