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SourceTier

Discover, compare, decide

Free tools

Build a shortlist from documented facts, compare your options and calculate costs from your own assumptions. Free to use.

Personal tech

Choosing a device for yourself or your family.

Business tech

Choosing, specifying and rolling out software.

Calculators

Arithmetic on your assumptions, with the formula shown.

Assessments

Your own account of your organisation, scored against published weights.

Monitoring

What changed, and being told when it does.
Coming next (4, each with the measured reason why)
Coming when the data supports it
TV finder
4 products in televisions, 0 with a documented core attribute. A finder ranks by attributes, and there are not enough to rank.
Coming when the data supports it
Headphone finder
14 products in headphones, 0 with a documented core attribute. A finder ranks by attributes, and there are not enough to rank.
Coming when the data supports it
Smart-home planner
29 products in smart-speakers, smart-lighting, home-security-cameras, robot-vacuums, smart-home-hubs, 4 with a documented core attribute. A finder ranks by attributes, and there are not enough to rank.
Coming when the data supports it
Pricing calculator for software
Needs seat and usage prices per product. Today the graph holds 210 price lines with 32.5 observations each on average.

These reasons are computed from the graph at request time, not written down once. A tool that ranks by attributes needs attributes; saying so is more useful than shipping a ranking of nothing.