Calm money admin for people who work for themselves.
Know who still owes you, what to charge and where your time goes – in ten minutes a week.
Get paidStop guessing who still owes you – and send the reminder without the knot in your stomach.Price with confidenceA rate you can say out loud – calculated, not guessed.See your timeWhere your hours really go, and which projects actually pay.
30-day money-back promise · Excel templates, tested in LibreOffice · Real screenshots · Instant download · Built with AI, checked automatically · Questions? We answer within 1–2 days
For freelancers & the self-employed
Calm Admin Bundle – Every Blixwerk Excel Tracker (Save ~40%)All Blixwerk Excel trackers for freelancers and small businesses in one download – save about 40%.
20 USDLaunch offer: 30% off until Oct 19 (applied automatically)Get it on Gumroad
Get Paid On Time – Freelance Invoice, Hours & Client Tracker (Excel)Excel tracker for clients, projects, hours and invoices: auto invoice numbers, due dates, overdue flags, dashboard. Sample data + PDF guide.
12 USDLaunch offer: 30% off until Oct 19 (applied automatically)Get it on Gumroad
Know Your Rate – Free Freelance Rate Calculator + Invoice Template (Excel)Find your minimum hourly and day rate, then send a clean printable invoice. Excel workbook with auto totals, tax line and due date.
Free (pay what you want)Get it on Gumroad
Show Up Without the Sunday Panic – Content Calendar & Social Planner (Excel)Excel content calendar: monthly & weekly views, status pipeline, platform/pillar mix charts, hashtag & caption library, sample data.
9 USDLaunch offer: 30% off until Oct 19 (applied automatically)Get it on Gumroad
For small shops & makers
Never Sold Out by Surprise – Inventory & Reorder Tracker (Excel)Excel inventory tracker with automatic reorder alerts, stock value and dashboard. Sample + blank template, PDF guide. No subscription.
12 USDLaunch offer: 30% off until Oct 19 (applied automatically)Get it on Gumroad
For developers & data work
Developer Chore-Killer Bundle – Data, Files & API Kits (Save ~40%)All Blixwerk script kits for data cleaning, file automation and API reviews – save about 40%.
22 USDLaunch offer: 30% off until Oct 19 (applied automatically)Get it on Gumroad
Clean Data in Minutes – CSV & Excel Cleaning Toolkit (Python)Clean messy CSV/Excel exports in minutes: dedupe, fix dates, phones, encoding, split, merge, validate. Dry-run + change report.
15 USDLaunch offer: 30% off until Oct 19 (applied automatically)Get it on Gumroad
Tame Your Downloads Folder – File Organizer & Bulk Renamer ScriptsSort, rename, de-duplicate and archive messy folders with a preview mode and a CSV undo log. PowerShell + Bash, scheduler guide included.
9 USDLaunch offer: 30% off until Oct 19 (applied automatically)Get it on Gumroad
Launch Without the 2 a.m. Doubt – REST API Security Checklist Kit58-item API review kit: PDF + XLSX tracker, curl tests, auth-route scanner script and client report template for Node/Express and Python.
12 USDLaunch offer: 30% off until Oct 19 (applied automatically)Get it on Gumroad
Free tools
- CSV Duplicate Finder – Find & Remove Duplicate Rows
- Freelance Hourly Rate Calculator – Hourly & Day Rate
- Invoice Due Date & Reminder Planner (Free Calculator)
- Reorder Point & Safety Stock Calculator (Free)
- Social Media Posting Schedule Generator (Free)
From the blog
- Worried Your API Has Security Holes? The Train to the Demo
- The Night Before Launch: A REST API Security Checklist Story
- Tuesday, 9:40 am: The Client Call Where Your Script Failed
- Six Spreadsheets, One Question: Excel Trackers for Freelancers
- Social Media Content Calendar in Excel: The Sunday Panic, Ended
- The Export That Ate Your Evening: Cleaning Messy CSV and Excel Files
- Customer Ordered, Item Out of Stock Again: The Saturday Market Buzz
- Forgot Invoices as a Freelancer? The Monday You Lost Track
- Free Harvest or Toggl Alternative: When Invoice Night Hits
- Who Still Owes You? Tracking Unpaid Invoices in Excel, Free
- Minimum Freelance Hourly Rate & Day Rate: The Quote at 11 pm
- The Invoice You Forgot to Send: A Free Freelance Tracker Story
- Forgot Invoices as a Freelancer? The Lake Week You Couldn't Enjoy
- The Client Asked About Hours: Track Freelance Projects in Excel
- The Project That Paid Less Than You Thought: Your Real Hourly Rate
- The Order You Had to Cancel: Running Out of Stock Unnoticed
- Never Know What to Post on Social Media? The Bakery Queue Test
- Saturday at the Garden Centre: Freelance Invoices and Hours, Sorted
- Duplicates and Dates Gone Wrong: A CSV, pandas, and 11 pm
- Out of Stock Again: Tracking Inventory and Reorder Points in Excel
- The Downloads Folder at 4:52 pm: Organize a Messy Folder on Windows