Automationn8n
A visual workflow builder that connects apps, APIs and AI models. Run it yourself or use n8n Cloud.
- Replaces
- Zapier, Make
- Licence
- Sustainable Use License (fair-code, not an OSI open-source licence)
- Hardware
- 4 GB for production (reported)
Watch out: Your own upkeep time is the biggest hidden cost, and the licence restricts some ways of selling n8n as a service. Read it before you resell workflows.
Read my guideProject page
Backend and dataSupabase
A Postgres database with authentication, file storage and APIs, usable hosted or self-hosted.
- Replaces
- Firebase, hosted Postgres backends
- Licence
- Open source (check each component)
- Hardware
- 4 GB RAM, 8 GB or more recommended (official docs)
Watch out: Self-hosting is a multi-service stack, so budget for upkeep and not only the server.
Read my guideProject page
Backend and dataPocketBase
A single-file backend with an embedded database, user accounts, file storage and an admin screen.
- Replaces
- Firebase for small projects
- Licence
- MIT
- Hardware
- Runs on a very small VPS
Watch out: Built for small and mid-sized apps. Check that a single-server database fits how you expect to grow.
Read my guideProject page
Business appsPlane
Project and issue tracking with boards, cycles and modules for small teams.
- Replaces
- Jira, Linear, ClickUp
- Licence
- AGPL-3.0
- Hardware
- 2 vCPU and 4 GB (Docker guide), 8 GB recommended
Watch out: AGPL-3.0 carries obligations if you modify the code and offer it over a network. Read it first.
Read my guideProject page
Business appsTwenty
An open-source CRM with customisable objects, views and pipelines.
- Replaces
- Salesforce, HubSpot CRM
- Licence
- AGPL-3.0
- Hardware
- Postgres, Redis, a server and a worker (no official RAM figure found)
Watch out: Check the feature list against your real sales process before you move any contacts.
Read my guideProject page
Business appsChatwoot
A shared inbox for email, live chat and social messages, with assignment and canned replies.
- Replaces
- Intercom, Zendesk
- Licence
- MIT (Community build)
- Hardware
- 4 GB (official docs)
Watch out: Some features sit in paid editions. Confirm the Community build covers what you need.
Read my guideProject page
Business appsListmonk
A newsletter and mailing-list manager that sends through an SMTP email service you choose.
- Replaces
- Mailchimp, Kit
- Licence
- AGPL-3.0
- Hardware
- About 512 MB idle, plus Postgres
Watch out: Sending email is the hard part. You still need an SMTP provider and good deliverability habits.
Read my guideProject page
AnalyticsUmami
Privacy-focused web analytics with a simple dashboard.
- Replaces
- Google Analytics, paid privacy analytics
- Licence
- MIT
- Hardware
- About 400 MB idle, 2 GB VPS
Watch out: Reports are simpler than Google Analytics, so check it answers the questions you actually ask.
Read my guideProject page
AnalyticsPlausible Community Edition
Lightweight, cookie-free web analytics you host yourself.
- Replaces
- Google Analytics, Plausible Cloud
- Licence
- AGPL-3.0
- Hardware
- At least 2 GB, about 1.8 GB idle
Watch out: The Community Edition is not the same product as Plausible Cloud. Compare features before you choose.
Read my guideProject page
Local AIOllama
Runs open-weight language models on your own computer or server and exposes a local API.
- Replaces
- Some paid AI API calls
- Licence
- MIT
- Hardware
- Depends on the model. Bigger models need much more memory
Watch out: Local models are usually weaker than the largest cloud models. Test on your real tasks before you switch.
Project page
Local AIllama.cpp
An inference engine for running quantised language models on ordinary CPUs and GPUs.
- Replaces
- Hosted inference for small models
- Licence
- MIT
- Hardware
- Depends on the model and quantisation
Watch out: Command-line first. Expect more setup than a desktop app.
Project page
Local AILocalAI
A self-hosted API server that accepts OpenAI-style requests and runs models locally.
- Replaces
- Hosted model APIs for some uses
- Licence
- MIT
- Hardware
- Depends on the models you load
Watch out: Compatibility with the OpenAI API is not identical for every feature. Test your client against it.
Project page
Local AIOpen WebUI
A browser chat interface for local and OpenAI-compatible models, with user accounts.
- Replaces
- Hosted chat front ends
- Licence
- Custom licence with branding conditions (read it)
- Hardware
- Light on its own. The model is what needs memory
Watch out: Read the licence before you rebrand it or offer it to clients.
Project page
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