For writers & authors
Put the co-authorship split in writing.
Co-authoring, ghostwriting and anthology work each raise the same questions: whose name goes where, and who gets what share of the advance and royalties. Collaborro records the answer and gets every writer to confirm it.
Works for a two-hander novel, a ghost-written memoir, or a twenty-contributor anthology.
Credit and money are both in the split
A contribution description can capture the arrangement in plain words — "drafted chapters 1–7, structural edit throughout" — alongside the percentage. That covers both the billing question and the royalty question in one record.
Every contributor confirms
Each writer gets a private link, sees the full split, and confirms or flags it. For an anthology that might be twenty links; none of those contributors needs an account. Once all are in, the record locks and everyone has a signed copy with a reference number.
Evidence, not a publishing contract
Collaborro does not replace an agreement with a publisher or agent. It is the dated, signed record of what the co-writers agreed between themselves — the thing that is usually missing when it is later disputed.
Common questions
Can it handle a ghostwriting arrangement where only one name appears?
Yes. Record the credit split (e.g. 100% to the named author) and the fee or royalty split separately in the contribution descriptions and notes.
What about an anthology with many contributors?
Add every contributor; each gets their own confirmation link. The split only locks when all of them have confirmed.
Is this a substitute for a publishing contract?
No. It documents the agreement between the writers. A contract with a publisher is separate and you should take legal advice on it.
Do co-authors need accounts?
Only the person who creates the split.
From the blog
Document your next split.
Free during early access. Takes about five minutes.
Get started free →