CRM & Sales
Customer Support
Helpdesks, customer support, ticketing, and live chat tools.
Best Customer Support tools by public signals
These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.
Use Case Rankings
Ordered by ToolVitals score, then health, shipping, confidence, GitHub stars, and name.
| # | Tool | Health | Shipping | Openness | Stars | Score | Status |
|---|---|---|---|---|---|---|---|
| 01 | FreeScout FreeScout — Free self-hosted help desk & shared mailbox (Zendesk / Help Scout alternative) | 96 | 96 | OSI-approved OSS | 4.6k | 96 | Active |
| 02 | LibreDesk Open source, self-hosted omnichannel customer support desk. Live chat, email, and more in a single binary. | 96 | 96 | OSI-approved OSS | 3.1k | 96 | Active |
| 03 | Frappe Helpdesk Modern, streamlined customer service software. | 96 | 95 | OSI-approved OSS | 3.5k | 95 | Active |
| 04 | Chatwoot Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬 | 96 | 94 | OSI-approved OSS | 38.6k | 95 | Active |
| 05 | Nosdesk A modern open-source helpdesk for teams. | 90 | 94 | OSI-approved OSS | 53 | 91 | Active |
| 06 | Zammad Zammad is a web based open source helpdesk/customer support system. | 92 | 87 | OSI-approved OSS | 6.1k | 90 | Active |
| 07 | LogChimp Open-source customer feedback platform. | 91 | 89 | OSI-approved OSS | 1.1k | 90 | Active |
| 08 | Znuny Znuny is a free, open-source, and versatile web-based ticketing system for Customer Service, Help Desk, IT Service Management, and more. It is built for transparency and long-term sustainability and is highly tailorable to your organization's needs. | 90 | 84 | OSI-approved OSS | 610 | 88 | Active |
| 09 | Request Tracker Enterprise-grade issue tracking and help desk system. | 89 | 84 | OSI-approved OSS | 1.2k | 87 | Active |
| 10 | clientst0r Open-source self-hosted MSP platform with tickets, projects, knowledge base, invoices, and customer portal. | 84 | 91 | OSI-approved OSS | 78 | 87 | Active |
| 11 | CS AI Agent AI agent customer service platform with knowledge base and multi-channel support. | 87 | 84 | OSI-approved OSS | 291 | 86 | Active |
| 12 | Bytedesk Open-source omnichannel customer service platform with live chat, email, and team IM. | 82 | 84 | OSI-approved OSS | 515 | 83 | Active |
| 13 | Front Desk Customer support tool for helping customers wherever they are. | 73 | 78 | OSI-approved OSS | 26 | 75 | Warning |
| 14 | Tiledesk Install Tiledesk on your server using Helm for Kubernetes orchestration and Docker Compose for running multi-container Docker applications. Tiledesk provides an open-source solution comparable to Voiceflow, empowering you to create sophisticated LLM-enabled chatbots that seamlessly transition interactions to human agents when needed. | 68 | 58 | OSI-approved OSS | 325 | 64 | Warning |
| 15 | Showdesk Open-source video-first support platform for tickets. | 62 | 47 | OSI-approved OSS | 2 | 56 | Warning |
| 16 | Go Help Desk Self-hosted help desk with ticketing, SSO, MFA, SLA tracking, and REST API. | 63 | 39 | OSI-approved OSS | 12 | 53 | Warning |
| 17 | Telegram Support Bot Telegram ticketing and support system. | 63 | 36 | OSI-approved OSS | 616 | 52 | Warning |
| 18 | UVDesk Ticket Management & Helpdesk system | 51 | 35 | OSI-approved OSS | 19.6k | 45 | Warning |
| 19 | Cossistant Open-source, customer support platform with fully customizable AI support agents for developers / startups shipping SaaS. | 48 | 35 | OSI-approved OSS | 738 | 43 | Critical |
| 20 | AgentDesk Open-source white-label AI voice agent platform for businesses. | 49 | 20 | OSI-approved OSS | 13 | 38 | Critical |
| 21 | Hearthline Open-source AI front desk for home-service teams with calls, SMS, quotes, and dispatch. | 47 | 20 | OSI-approved OSS | 8 | 37 | Critical |
| 22 | SupportBot Open-source support system for Discord. | 41 | 28 | OSI-approved OSS | 140 | 36 | Critical |
| 23 | Lora Ticket AI AI-powered ticket system for Discord. | 47 | 17 | OSI-approved OSS | 1 | 35 | Critical |
| 24 | Open Ticket AI Automation engine that classifies, routes, and processes tickets. | 26 | 0 | OSI-approved OSS | 9 | 16 | Critical |
| 25 | osTicket Open source ticketing system for customer support and help desks. | 15 | 4 | OSI-approved OSS | 4k | 11 | Critical |
| 26 | Chaskiq A full featured Live Chat, Support & Marketing platform, alternative to Intercom, Drift, Crisp. | 14 | 0 | OSI-approved OSS | 3.6k | 9 | Critical |
| 27 | Solvesk Multi-tenant helpdesk and issue tracker. | 14 | 0 | OSI-approved OSS | 3 | 9 | Critical |
| 28 | FusterAI AI-native open-source helpdesk built with Laravel and React. | 12 | 3 | OSI-approved OSS | 23 | 8 | Critical |
| 29 | OpenCrow Open-source AI agent platform for customer support assistants in web applications. | 12 | 2 | OSI-approved OSS | 0 | 8 | Critical |
| 30 | customer-service Omnichannel customer service solution with web and mobile access. | 10 | 1 | OSI-approved OSS | 1 | 7 | Critical |
| 31 | Trudesk Open-source help desk and ticketing solution. | 10 | 0 | OSI-approved OSS | 1.5k | 6 | Critical |
| 32 | OTRS Community Edition Open source ticketing system for help desk, customer service, and IT service management. | 9 | 0 | OSI-approved OSS | 62 | 5 | Critical |
Not Scored
Tracked for context, but excluded from rankings because comparable open/source-visible evidence is unavailable.
Faveo Helpdesk
Open source helpdesk and support ticketing application.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.HELPDESK.AI
AI helpdesk platform that analyzes support requests and helps teams resolve incidents faster.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.HudumaHub
Open-source citizen support platform for public services in Kenya.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.InteraOne
Open source end-to-end customer support and sales automation.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.KoalaQA
AI-powered customer support community for self-service and AI answers.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Navis Copilot
Open-source AI-powered customer service and sales platform with call transcription, live assistance, ticket management, and analytics.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Peppermint
An open source issue management & help desk solution. A zendesk & jira alternative
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Real Voice Agent Free
Open-source voice AI platform for SMB service businesses to automate inbound calls, appointment scheduling, and customer support with AI phone agents.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.SupportDeskPro
Multi-tenant help desk with ticket lifecycle, SLA enforcement, and AI drafting.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Suprr
Customer support bubble that routes conversations to Telegram.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.tgo
Open-source AI agent customer service platform with RAG knowledge base and multi-channel support.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.There There CLI
CLI tool for the There There helpdesk.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Ticket Hub
Open-source help desk with a Kanban board for teams and a customer portal.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.