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Top 100 AI GitHub activity AI categories AI Compare Saved AI tools Learn about AI Categories Collections Newly added Underrated this week Technology stacks Tags Licenses Compare tools About AltStack Advertise

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Find free alternatives to paid software.
Created by Sushil Kumar Sah.

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Open alternatives

Compare 4 alternatives to Open. Use “Has a free option” to find tools you can try without buying a software plan. Check each card for hosting or AI usage costs.

Open pricing:Pricing not verified

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

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

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Catalog updated · 13 Oct 2026

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Chatwoot product interface

Chatwoot

Customer Communication Platforms

Pricing not verified

Omnichannel customer support with a built-in AI assistant.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

38kstars+ 1.0k30 daysMIT

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Zammad product interface

Zammad

Customer Communication Platforms

Pricing not verified

Powerful helpdesk solution for streamlined customer service.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

6.0kstars+ 9030 daysAGPL-3.0

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Visit official website

Chaskiq product interface

Chaskiq

Customer Communication Platforms

Pricing not verified

Open-source customer communication platform.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

3.6kstars+ 630 daysUnknown

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Cossistant product interface

CossistantAI

Customer Communication Platforms

Pricing not verified

AI-native support infrastructure for modern SaaS.

We have not checked this tool’s current pricing. Visit its official website before choosing a plan.

730stars+ 1330 daysAGPL-3.0

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