Open Source Web Development Tools

Alternative toTinyPNG

Free desktop image optimizer. Files stay on your machine.

• 924 GitHub stars
• MITLicence MIT

Alternative toRefero

Real production sites as design reference for AI coding agents

• 903 GitHub stars
• MITLicence MIT

Alternative toHubSpot CMS Hub

Open source CMS designed for collaborative editorial teams

• 852 GitHub stars
• MITLicence MIT
• #CMS

Alternative toSymfonium

Native Jellyfin and Emby music player for every platform

• 750 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toMake

Make LLM context visible, editable, and graph-structured

• 664 GitHub stars
• MITLicence MIT
• #LLM

Alternative toDiscord

Self-hosted Discord-style chat with encrypted DMs and voice

• 645 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toHelius

Drop-in local Solana test validator with forking support

• 615 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Testing

Alternative toAuth0

Composable authentication for modern Go backends

• 551 GitHub stars
• MITLicence MIT

Alternative toStripe Billing

Open source React components for SaaS billing flows

• 508 GitHub stars
• GPL-3.0Licence GPL-3.0

Alternative toVercel

Full-stack Vite toolkit with one-command Cloudflare deployment

• 507 GitHub stars
• MITLicence MIT