Alternatives
10 best FOSSBilling alternatives
Tools that cover the same task as FOSSBilling (assistant), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- FOSSBilling starts at
- Not listed
- Free plan
- Free plan
- API
- API unknown
- 01
ClearFlask
ClearFlask is an open-source customer feedback platform for collecting ideas, prioritizing roadmaps, and publishing announcements. Teams can run the Apache-licensed stack self-hosted or use ClearFlask Cloud, with AI-assisted feedback analysis on the marketing site.
Best for: Product teams that want a feedback portal, public roadmap, and changelog without building tooling from scratch.
- 02
EspoCRM
EspoCRM is an open-source customer relationship platform for managing contacts, sales pipelines, support cases, and marketing activity in one place. The vendor offers a self-hosted edition you can customize with workflows, automation, and extensions, plus a managed EspoCRM Cloud service with US or EU hosting.
Best for: Small and mid-sized teams that want a customizable CRM they can host themselves or run on EspoCRM’s managed cloud.
- 03
Stakpak.dev
Stakpak is an open-source autonomous agent that runs on your machines to keep applications healthy, respond to incidents, and report through chat channels. Paid cloud tiers add managed LLM credits, multi-app autopilot, and team billing.
Best for: Developers and platform engineers who want production autopilot without locking into a proprietary PaaS.
- 04
Ever Gauzy
Ever Gauzy is an open business management platform combining ERP, CRM, HRM, and project management modules. Teams can choose self-hosted editions or Gauzy Cloud subscriptions, with public-roadmap messaging that some modules may still be incomplete while the platform evolves.
Best for: Growing companies that want an open-source operations hub covering HR, CRM, projects, and accounting in one stack.
- 05
Chatwoot
Chatwoot is an open-source customer support platform with cloud hosting, shared inboxes, live chat, help centers, automations, and Captain AI for copilot and assistant features. Cloud pricing is per agent with a free Hacker tier and paid plans that add channels, voice, and AI credits.
Best for: Support teams wanting an open-core Intercom alternative with optional AI copilot on hosted plans.
- 06
Alguna
Alguna is an AI-native quote-to-revenue platform for pricing, quoting, billing, and usage metering. It targets AI, SaaS, and fintech companies that need CPQ, invoicing, payment collection, and revenue recognition without stitching together spreadsheets and separate billing tools.
Best for: Finance, revenue, and founder teams at AI and SaaS companies automating quote-to-cash before or after they outgrow manual billing.
- 07
cloudns.net
ClouDNS is a DNS hosting provider offering free and premium authoritative DNS on a global Anycast network. Services include DDoS-protected DNS, GeoDNS, dynamic DNS, DNSSEC, monitoring, domain registration, and email forwarding for administrators who need fast DNS updates worldwide.
Best for: Domain owners, hosting providers, and IT teams that need managed or self-service DNS with optional DDoS and GeoDNS upgrades.
- 08
Anaconda
Anaconda provides the open-source Python data science stack plus governed enterprise platforms for AI-native development. Offerings span Anaconda Core package management, the Anaconda Platform for workspaces and orchestration, Kilo agent engineering tools, and Enkrypt AI security guardrails.
Best for: Data scientists, ML engineers, and enterprises that need curated Python packages, agentic coding assistants, and governed AI deployment.
- 09
Salesforce Service Cloud
Salesforce Service Cloud is customer service software that combines case management, self-service, analytics, and Agentforce AI agents on one CRM platform. It supports contact centers, field service, IT service, and AI-assisted support workflows for large organizations.
Best for: Customer support, IT, and operations teams that need CRM-backed service workflows with optional AI agents across channels
- 10
Desku
Desku is AI customer service software that unifies live chat, email, and social messages in one helpdesk inbox. It targets small businesses and startups with no-code AI chatbots, automation, and omnichannel support to respond faster without coding.
Best for: Small businesses and SaaS teams that need a unified AI helpdesk across chat, email, and social channels.
FOSSBilling alternatives: common questions
What is the best free alternative to FOSSBilling?
ClearFlask has an ongoing free plan. Open-source tier is free forever self-hosted with a 100-post cap on the pricing matrix. Free plans change, so check the vendor before relying on one.
What is the cheapest FOSSBilling alternative?
cloudns.net has the lowest listed starting price at $2.95/mo.
Which FOSSBilling alternatives have an API?
ClearFlask, EspoCRM, Stakpak.dev, Chatwoot, Alguna mention API or developer access.