Derek Castelli Derek CastelliChristian, husband, and designer

I make sites with and apps at , from . I also take on projects of my own as Derek J Design Open for workFrom Dec 18 WebsitesLogosRebrandsFeedbackAI workflows & apps . Here I write about , , and .

WORK
thronelabs.co
ThroneWith Kem Design · 2026 Read the write-up →
rivervalley.org
River Valley ChurchWith Apollos · 2024 Read the write-up →
web.archive.org
ScenerySolo · 2023 Read the write-up →
exodus51.org
Exodus51Solo · 2026 Read the write-up →
carecontinuity.com
Care ContinuityWith Kem Design · 2026 Read the write-up →
getclaimable.com
ClaimableWith Kem Design · 2025 Read the write-up →
myeternity.com
Eternity ChurchSolo · 2025 Read the write-up →
cccomaha.org
Christ Community ChurchWith Apollos · 2025 Read the write-up →
harvous.com
HarvousA notes app designed for Bible study—threads, scripture, and recall. harvous.com ↗
testamentmade.com
KoatiThe inbox for work to be done. Coming soon ↗
revisemy.com
ReviseMyMark feedback for your agent. revisemy.com ↗
heresmychurch.com
Here's My ChurchInteractive map of U.S. churches—accurate, searchable, crowd-sourced. heresmychurch.com ↗
dinkyfiles.com
DinkySmaller images, videos, audio, and PDFs on macOS. dinkyfiles.com ↗
binkyfiles.com
BinkyBinky sorts your files. binkyfiles.com ↗

2026

Packaging Koati 2 figures Oct 11 The 48 hour project Mar 22 I turned 37 Mar 2 Dogfood or die because of AI Feb 22 Faith apps deserve a wow Feb 15 Making rectangles Jan 27 A tool waits to be used Jan 23 Be a toolmaker Jan 17