A toolbox and reference hub for indie hackers
Free tools, calculators, directories, and reference data to help you build and run projects online.
Tool catalogs
DNS tools
Look up DNS records, check changes, and find the setting that broke.
Domain tools
Check a domain's owner, dates, availability, and transfer status from the registry.
Storage tools
Plan RAID, ZFS, and backup storage from the drives you plan to buy.
KDP tools
Set up, check, and price an Amazon KDP book, from cover size and listing details to royalties and payment dates.
Hosting and cloud tools
Plan server resources, firewall rules, proxy paths, and IP lookups for self-hosting.
Developer and system tools
Test permissions, Docker files, ID mappings, and rsync filters before you use them.
Productivity tools
Print a keyboard shortcut cheat sheet for the apps you use.
SaaS tools
Calculate MRR, churn, retention, margin, and customer cost from your own figures.
More to explore
Keyboard shortcuts
Look up an app's keyboard shortcuts by task, with keys for each platform.
- apps
- 218
- shortcuts
- 13,325
Self-hosted apps
Find apps to run on your own server by RAM, Docker support, and license.
- apps
- 4,931
Terminal apps
Find terminal tools by job, platform, and install method, with official links.
- apps
- 309
Domain status codes
Look up a domain status code, who set it, and what to do about it.
- status codes
- 23
labs
Explore the open tools, datasets, and self-hostable projects built by stack127 Labs.
- projects
- 3
self-hosting for beginners
Self-hosting means running your own apps on a computer you control. Learn what it is, why people do it, and how to start, no Linux or Docker knowledge needed yet.
- lessons
- 16
TLD directory
Find any domain extension and see who runs it, if it's signed, and if we can look it up.
- domain extensions
- 1,437
Launch directories
Find places to submit a product. Compare free-plan requirements, costs, launch queues, and links.
- places
- 155
- categories
- 8
Platform fees
See what selling platforms take from each sale, with official sources.
- listings
- 542
- categories
- 8
Software licenses
See what MIT, AGPL, BSL, and other licenses let you do when you self-host.
- licenses
- 32
Start here
- Publishing on Amazon KDP? Work out your royalties.
- Running a SaaS? Check your MRR and churn.
- Choosing where to sell? Compare platform fees.
- Working on a website? Check its domain.
- Looking for a terminal app? Browse CLI apps.