diff --git a/by-topic.md b/by-topic.md
index c59f615..f97f675 100644
--- a/by-topic.md
+++ b/by-topic.md
@@ -1402,6 +1402,7 @@
 
 ## go 
 
+- [mattermost/mattermost-push-proxy](https://github.com/mattermost/mattermost-push-proxy) - 
 - [x-way/crawlerdetect](https://github.com/x-way/crawlerdetect) - Golang module to detect bots and crawlers via the user agent
 - [usememos/memos](https://github.com/usememos/memos) - A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.
 - [thanos-io/thanos](https://github.com/thanos-io/thanos) - Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.
@@ -1432,6 +1433,8 @@
 
 ## golang 
 
+- [mattermost/mattermost](https://github.com/mattermost/mattermost) - Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
+- [mattermost/mattermost-push-proxy](https://github.com/mattermost/mattermost-push-proxy) - 
 - [netbirdio/android-client](https://github.com/netbirdio/android-client) - Connect your devices into a single secure private WireGuard®-based mesh network with SSO/MFA and simple access controls.
 - [go-vikunja/vikunja](https://github.com/go-vikunja/vikunja) - The to-do app to organize your life.
 - [photoprism/photoprism](https://github.com/photoprism/photoprism) - AI-Powered Photos App for the Decentralized Web 🌈💎✨
@@ -1500,6 +1503,9 @@
 
 ## hacktoberfest 
 
+- [mattermost/mattermost](https://github.com/mattermost/mattermost) - Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
+- [mattermost/mattermost-push-proxy](https://github.com/mattermost/mattermost-push-proxy) - 
+- [mattermost/mattermost-mobile](https://github.com/mattermost/mattermost-mobile) - Next generation iOS and Android apps for Mattermost in React Native
 - [Tygo-van-den-Hurk/NixOS](https://github.com/Tygo-van-den-Hurk/NixOS) - This repository contains the the configuration files for my NixOS instance. NixOS is a linux distribution that allows reproducibility. The point of the repository is such that I can store my configura
 - [tale/headplane](https://github.com/tale/headplane) - A feature-complete Web UI for Headscale
 - [traccar/traccar](https://github.com/traccar/traccar) - Traccar GPS Tracking System
@@ -4446,6 +4452,7 @@
 
 ## react 
 
+- [mattermost/mattermost](https://github.com/mattermost/mattermost) - Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
 - [outline/outline-icons](https://github.com/outline/outline-icons) - An iconset designed for the team knowledgebase Outline, but open to all.
 - [tale/headplane](https://github.com/tale/headplane) - A feature-complete Web UI for Headscale
 - [usememos/memos](https://github.com/usememos/memos) - A modern, open-source, self-hosted knowledge management and note-taking platform designed for privacy-conscious users and organizations.
@@ -4483,6 +4490,7 @@
 
 ## react-native 
 
+- [mattermost/mattermost](https://github.com/mattermost/mattermost) - Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
 - [karakeep-app/karakeep](https://github.com/karakeep-app/karakeep) - A self-hostable bookmark-everything app (links, notes and images) with AI-based automatic tagging and full text search
 - [Team-Ladefuchs/ladefuchs-react-native](https://github.com/Team-Ladefuchs/ladefuchs-react-native) - The iOS and Android Version of Ladefuchs. Written in typescript. Debugged with coffee.
 - [linkwarden/linkwarden](https://github.com/linkwarden/linkwarden) - ⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.