Flipt

Git-native feature management platform for modern development teams

Floccus

Sync your bookmarks privately across browsers and devices

Flowise

Build and deploy AI agents visually with low-code workflows

Flox

Portable developer environments with reproducible package management

Fluvio

Composable distributed data streaming engine written in Rust

Flux

Kubernetes-native continuous delivery platform powered by GitOps Toolkit

Fn

Run any Dockerized function anywhere with event-driven simplicity

Foam

Personal knowledge management in VS Code with wikilinks

Focalboard

Open-source project management alternative to Trello and Notion

Formance

Modular developer platform for complex financial transaction flows

Formbricks

Open Source Survey Platform for User Feedback Collection

FormsLab

Create beautiful, customizable surveys and polls effortlessly

FOSSBilling

Open-source billing and client management for hosting businesses

Fossify Calendar

Private, ad‑free calendar with powerful syncing and customization

Frappe Books

Modern offline-first accounting software for small businesses

Frappe Builder

Low-code visual website builder with one-click publishing

Frappe Helpdesk

Open-source ticket management for streamlined customer support

Frappe Learning

Simple, structured Learning Management System for course creators

FreeScout

Free self-hosted help desk and shared inbox alternative

Friendica

Decentralized social network linking you across the Fediverse

Fumadocs

Build beautiful documentation websites with React.js frameworks

Gapps

Security compliance platform tracking progress across multiple frameworks

Garage

S3-compatible geo-distributed object storage for small-scale self-hosting

Gatus

Proactive service health dashboard with flexible checks and alerts