About this library
A working reference for people marketing subscription software.
What the library is for
SaaS marketing connects discovery, evaluation, product value and retained revenue. This library organizes those decisions across twenty topics so a reader can move from an explanation to a practical next step.
What you can use
- Guides and playbooks for specific marketing decisions.
- Calculators with visible formulas and assumptions.
- Editable CSV worksheets and interactive checklists.
- Self-paced courses with practical exercises.
- Definitions, comparison frameworks and research methods.
How to interpret the material
Constructed examples are learning tools, not customer case studies. Public-page observations do not reveal a company's internal performance. Benchmark and research guides explain how to evaluate evidence without treating every published number as comparable.
Read the editorial policy for the approach to sources, dates and corrections.
Who runs it
The site was started by Eslam Youssef. Use the contact form for corrections, questions or a request to discuss your marketing work.
Free access and reuse
The main content is free to read. Download forms provide working files directly in the browser after submission. Our original materials use CC BY 4.0; third-party sources retain their own terms.
Downloadable resource index
Get the resource library index
A downloadable index of templates, checklists, calculators, research guides and category-specific working plans.