Four different design centres
Every product in this category is excellent at the problem it was originally built for, and merely adequate at the others. The fastest way to choose is to identify which original problem matches yours.
CTM eContracts — Colorado forms and contracts
Built around producing and executing the Colorado Commission-approved forms, and deeply established with Colorado brokerages. If contract production is the job, this is the narrow, proven tool.
SkySlope — brokerage compliance and file review
Positioned around the brokerage’s need for a complete, auditable file: document review, checklists, compliance workflow, with its own forms and signature products. The buyer is usually the brokerage, not the agent.
Dotloop — national documents and signature workflow
A Zillow Group product organised around “loops”, with association and MLS form libraries and a strong sharing and e-signature flow. Broad national coverage across many states.
Nexus Rlty — the Colorado transaction, with an AI coordinator
Built around the whole deal between contract and close: forms, deadlines as data, title/inspection/financing/closing workflows, client portals, and an AI coordinator reading the inbox. Colorado only, today.
Which one fits which agent
| If this is you | Start with | Why |
|---|---|---|
| Colorado agent, brokerage already provides a forms platform | What you have, plus a decision about the admin | You are not short of forms; you are short of coordination. |
| Colorado agent, 6–30 deals a year, drowning in follow-up | Nexus | This is the band where coordination is the bottleneck and a TC is not yet justified. |
| Broker or office manager who needs auditable files | A compliance-first platform | File review and audit trails for a whole brokerage is a different product category. |
| Agent licensed in several states | A national platform | Nexus implements Colorado forms only. A multi-state form library matters more than anything else here. |
| Team that wants one place for documents and signatures | Any of the document-first tools | They all do this well; pick on price and on what your association provides. |
Where the real differences are
Forms
All four give you forms, but from different sources. CTM and Nexus implement the Colorado Commission-approved forms specifically. SkySlope and Dotloop serve many states and draw on state, association and MLS libraries — which is the right architecture nationally and means your experience depends on what your association publishes.
Signature
Every product here includes electronic signature. The differences that actually bite are ordering and gating: a great many real estate documents have to be signed in a sequence — broker, then seller, then buyer — and a signature tool that treats a document as a free-for-all creates work rather than removing it. Nexus enforces the order the document requires.
Deadlines
This is the clearest divide. A document-first tool holds your dates on the form, because the form is the object it understands. A transaction-first tool extracts them into structured data, which is what lets them appear on a calendar, drive a reminder, show up in a client’s portal and stay correct when an amendment moves one. See Colorado real estate contract deadlines for what that table contains.
A real estate transaction happens in email, and most of this category treats email as somewhere you send documents from. Orbit treats the inbox as an input: it reads the thread, matches it to a deal, files the attachment and raises the dates. That is the capability that does not exist elsewhere in this list, and it is the reason Nexus exists.
The client’s view
Document sharing and a client portal are different products. Sharing gives your client a file; a portal gives them the state of their transaction — what is done, what is next, what they owe — which is what actually stops the “any update?” message.
Others you will come across
Shortlists in this category usually also include Lone Wolf Transactions (the zipForm lineage, broad national forms coverage), Brokermint (transaction management with brokerage back-office and commission accounting), and Paperless Pipeline (lean, checklist-driven file management for brokerages). All three are brokerage-leaning. Worth knowing they exist; worth checking pricing directly, since it is usually quoted per office.
Common questions
No, and anyone who says otherwise is selling. The four products here were built for four different buyers — a Colorado agent, a brokerage compliance team, a national agent, and an agent who wants the coordination done. Match the design centre to your problem.
Many agents do, at least during a transition. Documents move between these systems as ordinary PDFs and email, so running a single deal in a second system to evaluate it is low-risk.
No. Nexus stops at the transaction. If you need commission splits, agent billing and brokerage accounting, that is a back-office product and a different shortlist.
Because the forms are the product. Implementing a state’s Commission-approved forms as exact replicas, with the workflows their objection routes imply, takes real work — and doing that properly in one state is worth more to a Colorado agent than doing it loosely in fifty.