Finance · OwedZero
1099 tax calculator
Estimate 2026 federal income tax and self-employment tax on freelance and 1099 income, with what to set aside each quarter.
A division of Synergy Business Solutions · Aurora, Illinois
Practical apps and free tools.
Different problems.
One Synergy.
We create focused apps, platforms, and public websites across healthcare, education, finance, wellness, productivity, travel, and everyday life.
19products and websites
10areas of focus
1company behind the work
Free online tools
Use them in your browser. No sign-up.
Finance · OwedZero
Quarterly estimated tax due dates
Every 2026 estimated-tax payment deadline for freelancers and the self-employed, through January 2027.
Finance · OwedZero
Self-employment tax explained
How 2026 self-employment tax is calculated, with worked examples at four income levels.
Finance · OwedZero
2026 federal tax brackets
Brackets and standard deductions for single, married filing jointly and head-of-household filers.
Finance · OwedZero
Mileage deduction calculator
Business mileage deductions at the dated 2026 IRS rates, with a simple trip log.
Faith · Prosfora
Orthodox fasting calendar
What to eat each day of the Church year on the New and Old Calendars, month by month.
Faith · Prosfora
Orthodox Easter dates
Pascha for every year through 2035, with Clean Monday, Ascension and Pentecost.
Faith · Prosfora
Orthodox prayers
Morning, evening and everyday Orthodox prayers in English.
The portfolio
Built for the job at hand.
SEAvailable
Web software · Healthcare
SynergyEHR
A practical electronic health record connected to the work of running a medical practice.
SSAvailable
Public website · Education
SignsToSave
Learn the signs of a medical emergency before the moment you need them.
SBAvailable
Business website · Business
Synergy Business Solutions
An experienced medical billing operation for practices that want a more complete revenue-cycle partner.
OVAvailable
Editorial website · Travel
OurVacays
A family travel diary built from real trips, useful details, and the moments worth remembering.
PHAvailable
Educational website · Education
Path to Hinduism
A clear, welcoming path for sincere seekers learning about Sanatana Dharma.
VHComing soon
Healthcare platform · Healthcare
Valura Health
A developing telehealth experience centered on clear pricing and physician review.
Our approach
Useful beats universal.
We do not force unrelated problems into one platform. Each Synergy product is designed around a specific person, decision, or moment.
Meet Synergy Product Studio