Derek Castelli Derek CastelliChristian, husband, and designer
I make sites with Kem Design
carecontinuity.com
thronelabs.co
getclaimable.com
 and apps at Testament MadeHarvousHere's My ChurchReviseMyKoatiDinkyBinkySlinkyBlokmix, from . I freelance as Derek J Design Open for workFrom Dec 18 WebsitesLogosRebrandsFeedbackAI workflows & apps . Here I write about , and .
WORK All work
thronelabs.co
ThroneSiteWith Kem Design · 2026 Read the write-up →
harvous.com
HarvousAppA notes app designed for Bible study—threads, scripture, and recall. harvous.com ↗
rivervalley.org
River Valley ChurchSiteWith Apollos · 2024 Read the write-up →
koatiapp.com
KoatiAppComing soonThe inbox for work to be done. koatiapp.com ↗
web.archive.org
ScenerySiteSolo · 2023 Read the write-up →
revisemy.com
ReviseMyAppMark feedback for your agent. revisemy.com ↗
exodus51.org
Exodus51SiteSolo · 2026 Read the write-up →
heresmychurch.com
Here's My ChurchAppInteractive map of U.S. churches—accurate, searchable, crowd-sourced. heresmychurch.com ↗
carecontinuity.com
Care ContinuitySiteWith Kem Design · 2026 Read the write-up →
dinkyfiles.com
DinkyAppSmaller images, videos, audio, and PDFs on macOS. dinkyfiles.com ↗
getclaimable.com
ClaimableSiteWith Kem Design · 2025 Read the write-up →
binkyfiles.com
BinkyAppBinky sorts your files. binkyfiles.com ↗
myeternity.com
Eternity ChurchSiteSolo · 2025 Read the write-up →
slinkyfiles.com
SlinkyAppSlinky keeps secrets out of files. slinkyfiles.com ↗
cccomaha.org
Christ Community ChurchSiteWith Apollos · 2025 Read the write-up →
blokmix.com
BlokmixAppComing soonRemix the web into your site. blokmix.com ↗

2026

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