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Handpicked Open Source Alternatives to Paid Softwares

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icon of Scoold

Scoold

Communication & CollaborationBusiness & ProductivitySystem & IT+2

An open-source Q&A platform for knowledge sharing within teams and organizations, offering features like reputation, search, and API.

Knowledge ManagementKnowledge BaseCustomer Support+11
icon of Centrifugo

Centrifugo

Web & App DevelopmentSystem & ITCommunication & Collaboration

A scalable real-time messaging server that provides various real-time transports and integrates with any application.

WebSockets ServersDeveloper ToolsAPI Infrastructure+2
icon of LiveKit

LiveKit

AI & Machine LearningWeb & App DevelopmentCommunication & Collaboration+1

An open-source, all-in-one voice AI platform for building, deploying, and scaling real-time agents with enterprise-grade infrastructure.

AI AgentLLMAPI Infrastructure+13
icon of SigNoz

SigNoz

Security & MonitoringProduct & Project ManagementData & Analytics+2

Open-source observability tool with APM, logs, traces, metrics, exceptions, and alerts powered by OpenTelemetry for comprehensive insights.

MonitoringSelf HostedOpen Core+19
icon of Trench

Trench

Data & AnalyticsWeb & App DevelopmentSystem & IT

An open-source analytics infrastructure powered by ClickHouse and Kafka, offering fast, scalable, and GDPR-compliant event tracking.

Web AnalyticsSelf HostedDatabase+9
icon of Anytype

Anytype

Business & ProductivitySecurity & MonitoringCommunication & Collaboration+3

Anytype is a local-first, peer-to-peer, open-source "everything app" emphasizing trust, autonomy, and powerful no-code creation.

Personal Knowledge ManagementNote taking AppsFile Sync & Storage+13
icon of Meilisearch

Meilisearch

Web & App DevelopmentAI & Machine LearningData & Analytics+1

An open-source AI search engine offering fast, relevant full-text searches with facet, semantic, hybrid, and geosearch capabilities.

Search EngineOpen CoreDeveloper Tools+12
icon of Typesense

Typesense

Web & App DevelopmentAI & Machine LearningData & Analytics+1

A fast, typo-tolerant open source search engine for building instant search experiences with an easy-to-use API.

Search EngineOpen CoreDeveloper Tools+12
icon of Fusio

Fusio

Web & App DevelopmentSystem & ITBusiness & Productivity+1

An open-source API management platform that helps create innovative API solutions for various use cases.

API InfrastructureAPI Development ToolsDeveloper Tools+5
icon of Cube

Cube

Data & AnalyticsAI & Machine LearningWeb & App Development

A universal semantic layer that connects BI silos, embeds analytics, and powers data apps and AI with consistent, governed data.

API InfrastructureData VisualizationWeb Analytics+5
icon of Mistral AI

Mistral AI

AI & Machine LearningBusiness & Productivity

It offers frontier AI LLMs, assistants, agents, and services for enterprises, focusing on customization, fine-tuning, and deployment.

LLMAI AgentKnowledge Management+10
icon of Coolify

Coolify

Web & App DevelopmentSystem & IT

An open-source, self-hostable platform alternative to Heroku/Netlify/Vercel, enabling easy deployment of apps and services.

Self HostedDocker ManagementServer Management+9
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