Written by someone who has been the buyer.

Nick Gaidai ran finance at venture-backed startups and now invests in fintech. The Rebundler is where he publishes what he sees in the CFO stack.

What you get

A daily chart and a weekly call on who wins the stack, plus a monthly look at what AI does to the P&L. Each chart names its source, and each issue ends on a call that can be scored at year end.

The Stack Index

919 finance-software companies across 11 layers, from ledger and ERP to tax and audit. It's built to compare vendors by job and to put together a stack that fits your stage.

How the data is built

Every company fact carries a source link and a last verified date. Where a field is unknown, the page says Collecting and nothing is guessed. Rankings come from the data and are never paid for.

The Rebundler is a Modern Finance Labs publication.