Products
Three products built for a world where AI writes code, AI writes papers, and correctness is non-negotiable. Backbuild: a complete workspace that’s free to start and a Pro plan that builds and ships any product. Backbuild Science: research and publishing, free for students and faculty. Backbuild Prove: mathematical proof your code is right (coming soon).
Backbuild
Your complete workspace, free. Build and ship anything with Pro.
Backbuild starts as a full, free workspace: email, calendar, contacts, files, a password & secrets manager, docs, sheets, slides, photos, and Studio, all in one place, with 1 GB of file storage and up to 500 outbound emails a month. Upgrade to Pro at $49 per seat / month and the same workspace becomes a complete build-and-ship platform: a SaaS builder, automations, containers, remote and virtual workers, multi-environment management, and far more. Every plan is one simple per-seat price (Free, Lite at $19, Pro at $49, Enterprise at $149) with no feature add-ons to compare; add seats whenever you need them, billed pro-rated on your cycle.
Free to start. Pro to build. Everyone gets the everyday workspace for free. When you’re ready to build a product, automate your work, or run your own SaaS, Pro unlocks the whole platform on a simple per-seat plan.
Free: Your Everyday Workspace
Mail, Calendar & Contacts
A full email client, calendar, and address book, plus a files drive: everything you need to communicate and stay organized, included free with 1 GB of storage and up to 500 outbound emails per month.
Docs, Sheets, Slides & Photos
A complete productivity suite for documents, spreadsheets, presentations, and photos (with a built-in editor), with real-time collaboration. Studio is included too, with photo, video, audio, and music editors.
Password & Secrets Manager
A zero-knowledge password and secrets manager keeps your logins and API keys safe. Bring your own AI providers, keys, and integrations and connect them on the free plan.
Pro: Build & Ship
SaaS Builder & Website Builder
Turn your configuration into a launchable, multi-tenant SaaS with pricing, Stripe billing, custom domains, and a marketplace listing. Website and theme builders for marketing sites are coming soon.
Automate & Customize
Custom entity types, entities, views, automations, and custom tools model any workflow. Custom AI skills and the AI test center let you ship and tune AI capabilities for your team and your customers.
Containers & Workers
Run containers and remote workers on demand, and put autonomous virtual workers to work across helpdesk, support, and operations, with project templates to start fast.
Remote Desktop & Meetings
A built-in remote desktop, protected with hybrid post-quantum encryption aligned with NIST standards (FIPS 203/204), plus meetings with recordings, transcription, and notes. Collaboration and access without leaving Backbuild.
Multi-Environment Management
Manage dev, staging, preprod, and prod environments side by side, with a helpdesk system and Stripe integration ready when you launch.
100 GB File Storage per Seat & More
Pro raises your file storage to 100 GB per seat and unlocks the rest of the platform, and the list keeps growing. Add seats anytime at the Pro rate, pro-rated to your billing cycle.
A few capabilities run on universal usage credits. The built-in AI models, containers, and audio features (speech-to-text and text-to-speech) draw on universal usage credits as you use them. Bring your own AI keys to cover AI usage yourself, or top up with credits; everything else is included in your plan.
Backbuild Science
Research, write, prove, and publish, free for students and faculty.
Backbuild Science is the research and publishing edition of Backbuild. It brings together LaTeX authoring, the HOL kernel and IDE extension, the UI-based proof system, an AI research and writing assistant, and publishing tools for packaging your work for journals, preprint servers, and conferences: a single surface from first draft to published manuscript, built for the way modern research actually happens.
What Backbuild Science unlocks. It includes the HOL kernel and IDE extension; either Backbuild Science or Backbuild Prove on its own unlocks them. On top of that, Science adds research-grade capabilities: LaTeX export from Docs, SQLite export from Sheets (Parquet coming soon), and the UI proof system and proof entries; ORCID and Zenodo research-service integrations are coming soon.
Free for current students and faculty, with a long runway after you graduate. Verify with a current student ID or faculty ID and Backbuild Science is free. It stays free for up to 6 months after your ID expires, then individual researchers drop into a generous graduate discount ladder so you can keep working without an abrupt cliff.
What’s Included
LaTeX Authoring & Export
A full interface for building research publications in LaTeX, with live preview, citation management, and template libraries for major journals. Export polished LaTeX straight from your Backbuild Docs.
HOL Kernel, IDE & Proof System
The HOL (higher-order logic) kernel and IDE extension are built in, along with the UI-based proof system and proof entries. Verify the theorems and derivations in your work mathematically, not by hand and not by hoping a reviewer catches errors.
Data Export from Sheets
Export your Backbuild Sheets to a portable SQLite database for analysis, reproducibility, and downstream pipelines: research data that travels with your paper. Columnar Parquet export is coming soon.
AI Research & Writing Assistant
An AI assistant that helps with literature search, drafting, revision, and reference checking, grounded in your sources so it doesn’t hallucinate citations, and respectful of journal style guides.
Research Integrations (Coming Soon)
Research-identity and deposit integrations with ORCID and Zenodo are coming soon, so attribution and archiving will be part of the workflow rather than an afterthought. Today you export your work as LaTeX and portable data files to hand off to those services.
Publishing Hand-off
Prepare your work for submission the way journals expect it: export clean LaTeX source for arXiv and journal build pipelines, and portable data files for reproducibility. In-app typeset PDF assembly is on the roadmap.
Pricing
- Free with a current student ID or faculty ID
- Free for 6 months after your ID expires
- 75% off from 6 to 18 months after ID expiration
- 50% off from 18 to 30 months after ID expiration
- 25% off from 30 to 42 months after ID expiration
- Standard 15% off annual discount thereafter
- Individual: $20/seat/mo
- Team: $60/seat/mo
- Business: $140/seat/mo
- Enterprise: contact sales
Backbuild Prove
Mathematical proof that your code is correct: not tests, not linting. Proof.
Backbuild Prove adds a formal verification layer to your development workflow. AI coding agents write proof annotations in your source comments; a server-side HOL (higher-order logic) kernel verifies them mathematically; and the IDE extension surfaces failures as inline red squiggles, just like type errors. AI agents see those squiggles, read the diagnostics, and self-correct. No loops. No babysitting. No follow-up prompts.
Shares the HOL kernel and IDE extension with Backbuild Science; either product on its own unlocks them. Only Backbuild Prove adds the automatic red-squiggle diagnostics in your editor and the full code-analysis engine that keeps AI coding agents honest, so verified code ships without the back-and-forth.
Who It’s For
AI-Generated Code
Proof obligations act as guardrails that stop AI agents from looping, introducing regressions, or shipping hallucinated logic. The agent gets instant feedback and self-corrects without human follow-up prompts.
Safety-Critical Systems
Aerospace, automotive, medical devices, and industrial control where a single logic error can endanger lives. Formal proof provides evidence for DO-178C, IEC 62304, and similar certification requirements. Testing covers the inputs you try; proof covers all of them.
Financial & Crypto
Trading systems, settlement engines, payment processors, and cryptographic implementations where a single error means regulatory penalties, financial losses, or broken security guarantees. Prove transaction atomicity and invariants hold under all inputs.
Defense & Government
Mission-critical systems requiring the highest assurance levels. Formal verification provides mathematical evidence for Common Criteria, DoD IL4/IL5, and FedRAMP requirements, with auditor-ready proof documents.
20+ Languages
The pf2 annotation format works in documentation comments across Rust,
TypeScript, Python, Go, Java, C#, C++, Swift, Kotlin, SQL, and more, with no new
syntax and no separate proof files.
Signed Certificates
Publish verified code with cryptographically signed proof certificates and optional Lean 4 cross-check. Free public verification lets anyone confirm proven code is correct, at no cost.