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Handpicked Open Source Alternatives to Paid Softwares

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icon of QuestDB

QuestDB

Finance & FintechData & AnalyticsWeb & App Development+1

An open-source time-series database engineered for high-performance data ingestion and ultra-low latency SQL queries, ideal for demanding workloads.

DatabaseOpen CoreDeveloper Tools+10
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 Konqueror

Konqueror

Web & App DevelopmentBusiness & ProductivitySystem & IT

A versatile KDE file manager and web browser with file management, web browsing, and file previewing capabilities.

Web BrowsersFile SharingFile Sync & Storage+2
icon of OpenPDF

OpenPDF

System & ITBusiness & Productivity

A free, open-source Java library and online toolkit for creating, editing, and processing PDF documents.

Developer ToolsAPI InfrastructureSelf Hosted+3
icon of RustDesk

RustDesk

System & ITCommunication & CollaborationBusiness & Productivity+1

An open-source remote desktop software offering secure, self-hosted server solutions as a TeamViewer alternative.

Self HostedSecurityFile Sharing+5
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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