NewDevtoolsOpen Design
Local-first design workspace that turns your coding agent into the design engine — prototypes, decks, and pages exported as real HTML, PDF, or PPTX.
designlocal-firstBYOK
Visit Open Design
The open ecosystem, mapped
Find the right
Find the right
open-source tool.
xopen turns scattered open products, protocols, infrastructure, and knowledge projects into one clear map — easier to discover, compare, and follow.
41open projects indexed
6curated categories
Autolast checked 2026-08-05 · every 3 days
Fresh in the directory
See all 41 projects
Recently added.
The newest entries in the Open Family. The crawler re-checks every open project every 3 days.
NewDevtools
NewAIOpenPipe
Fine-tuning and agent reinforcement-learning tooling that turns expensive prompts into cheaper task-specific models.
fine-tuningRLagents
Visit OpenPipe
NewDevtoolsOpenCut
Open-source video editor for web and desktop — multi-track timeline, no watermark, and a real alternative to closed editors.
video editorwebself-host
Visit OpenCut
NewDevtoolsOpenChatCut
Local-first conversational video editor with a professional multi-track timeline, agent skills, and MCP integration.
videoMCPlocal-first
Visit OpenChatCut
NewInfrastructureOpenCost
CNCF cost monitoring for Kubernetes and cloud spend, with per-workload attribution instead of one opaque invoice.
FinOpsKubernetescost
Visit OpenCost
NewInfrastructureApache OpenDAL
One data access layer for every storage backend — S3, GCS, HDFS, and dozens more behind a single API.
storageRustApache
Visit Apache OpenDAL
NewSecurityOpen Policy Agent
CNCF-graduated general-purpose policy engine. Keeps authorization and admission rules out of application code.
policyCNCFauthz
Visit Open Policy Agent
NewObservabilityOpenLLMetry
OpenTelemetry-based observability for LLM and agent apps — traces, prompts, token cost, and quality signals.
LLMtracingOpenTelemetry
Visit OpenLLMetry
NewKnowledgeOpenBB
Open data platform for investment research — market data, analytics, and an API built for analysts, quants, and agents.
market dataresearchAPI
Visit OpenBB
AIOpenAI
Frontier models, developer APIs, ChatGPT, and agent-facing tools. The reference point for many modern Open* apps.
modelsAPIagents
Visit OpenAI
AIOpen WebUI
Self-hosted AI interface for local and cloud models, with tools, prompts, documents, RAG, and team workflows.
self-hostedLLM UIOllama
Visit Open WebUI
AIOpenRouter
Model routing and API access across many providers. Useful when comparing behavior, price, and availability.
routermodelsAPI
Visit OpenRouter
Replacing something?
Start from the tool you already pay for — Notion, Datadog, Zapier, CapCut — and see what open projects actually replace it.
See open alternatives
Curated by use case
Every layer of the open stack.
From frontier AI to the cryptography quietly holding up the web — organized so you find the right open project fast.
AI
Frontier models, agent tooling, memory, and computer vision — the open building blocks of modern intelligence.
View AI projects →Devtools
Coding agents, app builders, feature flags, and workflow frameworks that keep building portable and fast.
View devtools →Infrastructure
Clouds, infrastructure-as-code, search, and the embedded operating systems behind connected devices.
View infrastructure →Security
Secrets managers, fine-grained authorization, TLS, VPNs, and security-first operating systems.
View security →Observability
Traces, metrics, logs, session replay, uptime, and analytics — vendor-neutral and self-hostable.
View observability →Knowledge
Open maps, scholarly catalogs, sanctions data, and public libraries — the shared knowledge layer.
View knowledge →
Why xopen
Signal, not a link dump.
Curated
Each entry is chosen for being genuinely useful and actively maintained — organized by what you're trying to do, not by popularity.
Comparable
Categories, tags, and a live filter make it easy to line up the open alternatives side by side and pick the right one.
Open at heart
Everything here is part of the open ecosystem. Spot something missing? Suggest it — the map keeps getting sharper.