







Veilid is an open-source, distributed application framework.
Singi Labs
Open source foundations for networked apps. Singi Labs has 13 repositories available. Follow their code on GitHub.
Introducing eve
Introducing eve, the open-source agent framework from Vercel for building, running, and scaling agents in production, with durable execution, sandboxed compute, approvals, channels, tracing, and evals built in.

Keycloak
Keycloak - the open source identity and access management solution. Add single-sign-on and authentication to applications and secure services with minimum effort.

microsoft/presidio
An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.
Singi Labs — Open source foundations for networked apps
Singi Labs builds open source, decentralized software on the AT Protocol. Home of Barazo (community forums) and Sifa (professional identity and trust).

Avalonia UI – Open-Source .NET XAML Framework | WPF & MAUI Alternative
Avalonia is the open-source .NET UI toolkit that lets you port WPF code to Windows, macOS, Linux, mobile and WebAssembly, all from one XAML codebase. Free forever.

Intent to Prototype: Isolated Web Apps
https://github.com/reillyeon/isolated-web-apps/blob/main/README.md
AI proxy: fostering a more open ecosystem - Blog - Braintrust
Introducing Braintrust's latest feature: an AI proxy that lets you use open source models like LLaMa 2 and Mistral, as well as all of OpenAI's and Anthropic's models, behind a single interface with caching, security, and API key management built in.
extism/extism
The framework for building with WebAssembly (wasm). Easily & securely load wasm modules, move data, call functions, and build extensible apps.
extism/extism
The framework for building with WebAssembly (wasm). Easily & securely load wasm modules, move data, call functions, and build extensible apps.
Cross-App Authentication on AT Protocol: How Roomy and OpenMeet Share Identity
The free, open-source alternative to Meetup. Create groups and events for your community — no fees, no ads, community-owned forever.

AFFiNE — Open-Source Knowledge Base Software
AFFiNE is the open-source Notion & Miro alternative — combining docs, whiteboards, databases, and AI in one local-first workspace. Free for teams.

Composio
Just-in-time tool calls, secure delegated auth, sandboxed environments, and parallel execution across 1,000+ apps.
FOSDEM 2025 - Goblins: The framework for your next project!
Building peer-to-peer decentralised applications remains difficult and error-prone. Most attempts at this either abandon collaborative features entirely or fall back on centralised architectures. The Spritely Institute is working on this challenge by creating (among other things) Goblins, a Guile framework that makes secure, fault-tolerant peer-to-peer applications accessible to developers. These tools are especially valuable for developers building secure collaborative applications that aim to foster healthy online communities. This talk walks you through Goblins’ most powerful features, including the actor model, object capability security, networking, time travel debugging, and persistence.
