501 LabsStart free →
Tools & builds for nonprofits

Stronger blocks.
Stronger communities.

501 Labs builds the back office nonprofits can't afford to hire for — modular tools, and the occasional custom system, that give your team its time back so the mission can grow. The goal: save or generate a billion dollars for the work.

Get your ROI — free →See the Blocks
This month across 501 Labs14,204 hrs returned$1,420,400 toward the billion/ illustrative

Four Blocks

Nº 01 · free for nonprofits
Seek
Grants
Finds grants that actually fit, then drafts the application with you.
Seek · 3 drafts · 14 hrs ≈ $560/mo saved
Rally
Volunteers · Events
Onboards, schedules, and reminds volunteers — fewer no-shows, less chasing.
Rally · 40 signups · 9 hrs ≈ $360/mo saved
Steward
Donor CRM
Remembers every donor and sends the thank-you before it slips.
Steward · 220 contacts · 22 hrs ≈ $880/mo saved
Quorum
Board
Packets, minutes, and votes — the board work nobody wants to do.
Quorum · 4 meetings · 11 hrs ≈ $440/mo saved
Free for nonprofitsNo fees, ever — 501 Labs is a 501(c)(3), funded by donors. Turn on what you need after a two-minute setup. How it's funded →

Why “Blocks”

Nº 02 · one word, three meanings
Overcome blocks

The bottlenecks stuck inside every nonprofit — the busywork between your team and the mission.

Building blocks

Modular tools you snap together. Turn on one, or all four — free. Add a custom one when you need it.

Community blocks

Where the time and money go back — the neighborhoods and the people you serve.

How we work with you

Nº 03 · the ladder
01
The ROI audit
free · start here
A two-minute, module-by-module walkthrough. Tell us how your month goes; we calculate the hours and dollars each Block gives back — and set up your workspace while we're at it.
$0
02
The Blocks
free · after onboarding
Turn on Seek, Rally, Steward, or Quorum — already personalized from your audit. The everyday workhorses.
Free
03
A custom Block
built in the lab
Don't see what you need? We scope it, build it pro bono, and run it as your own Block — with its own page. Free, like the rest of the suite.
free
04
A platform
revenue engine
For bigger swings: systems that don't just save money, they make it — like turning donated equipment into funded programs.
scoped per project
The only number that matters
$1,000,000,000
saved or generated for nonprofits
14 hrs / mo
back per org from Seek — grant research & drafting
illustrative target
< 6 min
to onboard a donor in Steward, thank-you already sent
illustrative target
$18k / 90 days
earned via a platform build — donated gear to cash
illustrative target
“A pull quote from a pilot nonprofit goes here — the moment they felt the time come back.”