Search for a tool or task, check its pricing, and open its official website. Freemium means a free plan with paid upgrades.

Free self-hosted · paid managed plans
Plan your social calendar, coordinate publishing, and manage multiple channels from one workspace.
The self-hosted open-source application has no software subscription, but infrastructure and optional AI/provider APIs may cost extra. Managed Postiz starts at USD 29/month and has a seven-day trial; it does not have a permanent free hosted plan.

Freemium
Add email, push, and in-app notifications to your app.
A limited free cloud plan is available. More workflow runs and features require payment.

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Back up your photos and videos to your own server, then browse and search your library.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

Free self-hosted builder
Prototype AI workflows visually and connect components into runnable applications.
The published Langflow builder has a free self-hosted option. Your server, database, external model APIs and integrations may cost money. Any managed cloud allowance is a separate provider plan, not unlimited free model usage.

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Unified observability for metrics, logs, traces, and more.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Docs, whiteboards, and databases in one privacy-first workspace.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Headless CMS with REST and GraphQL APIs out of the box.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Build a custom CRM without the proprietary lock-in.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Visual builder for AI agents and LLM workflows.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Multi-model AI desktop client with local-first privacy.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Free instant whiteboard with real-time collaboration.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Unlock data insights with powerful, user-friendly analytics.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Cultivate vibrant online communities with ease.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Self-hosted team messaging with voice, video, and AI.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Headless CMS for developers, built with Node.js.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Unlock Product Insights with Open-Source Analytics.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Build AI copilots for your product in hours, not months.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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Open-source e-commerce for modern developers.
We have not checked this tool’s current pricing. Visit its official website before choosing a plan.