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SourceTier

Independent technology research

Compare technology. Choose with evidence.

Find software and devices that fit. Compare the facts. See what still needs checking.

Free to explore. No account needed.

  • Original sources
  • Visible research gaps
  • No paid rankings

Have something in mind?

What are you choosing?

Tell us what you need. Start with the documented matches.

1,884 products4,846 documented facts2,539 source documents

What these research numbers mean

87,307 attributes checked, of which 82,460 produced no evidence and say so · See methodology

See the differences that matter

A quick view of documented features. Open the comparison to check each source.

Apple Inc.
MacBook Air 13-inch
Apple Inc.
MacBook Air 15-inch
Battery, video streaming
18 h
18 h
Memory (base)
16 GB
16 GB
Weight
2.7 lb
3.3 lb
Choose other products 3 of 5 shared attributes decidable today
Netlify
Vercel
Public API
Yes
Yes
Free tier
Yes
Yes
HIPAA compliance stated
Yes
Yes
Choose other products 8 of 18 shared attributes decidable today

Before the vendor meeting

Make the demo prove the fit.

Turn your must-haves into a practical agenda. Test the same tasks with each vendor and keep the answers in an editable worksheet.

No sign-up. Category-specific tasks. Download as CSV.

Already have a shortlist?

Two options. One clear decision.

Score your own tests, compare the full cost and keep unanswered requirements visible.

Build your free scorecard

No sign-up. Editable criteria. Download as CSV.

01

Test the same work

Turn the demo into a fair pilot with repeatable tasks and clear acceptance tests.

Plan your software pilot
02

Compare fit and cost

Keep minimum seats, add-ons and setup beside the requirements each option meets.

Calculate the full cost

What changed this week

All changes

Vendors on file

All vendors
Microsoft
Samsung Electronics
Apple Inc.
The Apache Software Foundation
Asus
Google
Nvidia
Amazon
Adobe Inc.
OpenAI
Samsung
Sony Interactive Entertainment

1,179 vendor marks on file, each fetched from the vendor's own site and served from ours; ordered by documented products. How marks work

Before you begin

Know what you are comparing.

Sources you can check. Gaps you can see. Rankings nobody can buy.

Read our research rules
Is it free to compare products?

Yes. You can browse buying guides, read product facts, compare products and use the public calculators without creating an account.

What does a documented feature tell me?

It tells you what the linked source supports. Check the verification state, retrieval date and scope: a feature may depend on the plan, model or region.

Does missing data mean a product lacks a feature?

No. It means our research does not establish the answer. A research gap stays visible so you can ask the vendor or test it yourself.

How should I choose between two products?

Start with your must-have requirements, compare the evidence and try the same workflow in both products. Then compare costs using the same team size and time period.

Use the software selection checklist

Choose your next step with confidence.

Start with a guide. Check the evidence. Make it your decision.

Find your buying guide