Option A
Beautiful invoicing for freelancers and agencies
Invoicely makes getting paid simple. Create stunning invoices in seconds, accept payments online, and track who owes you what — all in one place.
- Listing
- Pro (do-follow)
- Listed
- May 2026
Option B
Free solar ROI calculator for payback, IRR, NPV, and LCOE
PV Yield helps homeowners, installers, and early-stage solar investors estimate payback, generation, revenue, IRR, NPV, LCOE, losses, and sensitivity with visible assumptions. Users can start with country and city defaults, then replace assumptions with quote-specific numbers.
- Listing
- Free (nofollow)
- Listed
- Jun 2026