# LSSM technology > Explore ContractSpec for contracts and build, BrainOS for context and intelligence, and Patio for shared infrastructure and data. LSSM OS composes and operates them; CommunicationOS and focused platforms support specific work. Published by LSSM. We build focused software businesses and reuse what proves useful. Pages are in English; add `?lng=fr` for French where it is published (for example https://lssm.tech/?lng=fr). ## Pages - [Follow behavior from a contract to an application](https://lssm.tech/network/technology/architecture/?lng=en): The architecture separates the meaning of a capability from its implementation, delivery surface and deployment. Each layer has a job that can be inspected. - [BrainOS: Your context, useful across life and work.](https://lssm.tech/network/technology/brain/?lng=en): The context and intelligence layer across LSSM: personal knowledge, company memory and product evidence made useful to each experience. The Company assistance family and the other products and areas connect to this role, while access and sharing stay explicit. - [Collection & enrichment](https://lssm.tech/network/technology/data/collection-enrichment/?lng=en): Turn search, extraction and source observations into normalized, evidence-backed records for investigation and workflows. - [Usage & economic evidence](https://lssm.tech/network/technology/data/economic-usage-data/?lng=en): Append-only facts for operation usage, model/provider costs, allocation, actuals and corrections across products. - [Governed data exchange](https://lssm.tech/network/technology/data/governed-exchange/?lng=en): Import, export and share selected projections between products with purpose, consent, residency and revocation controls. - [Data platforms & shared evidence](https://lssm.tech/network/technology/data/?lng=en): Collect, structure, enrich and govern the information used across the ecosystem. - [Knowledge & evidence storage](https://lssm.tech/network/technology/data/knowledge-evidence/?lng=en): Source documents, extracted evidence, tenant-scoped retrieval and traceable company records for agents and decisions. - [Company, job & person data](https://lssm.tech/network/technology/data/reference-data/?lng=en): Reusable intelligence datasets with provenance, shared-base scope, normalized entities and freshness checks. - [Social & content signals](https://lssm.tech/network/technology/data/social-content-signals/?lng=en): Creator and content observations over time, with snapshots, rollups, retention and analytics exports. - [Temporal data & history](https://lssm.tech/network/technology/data/temporal-memory/?lng=en): Query what was true and what was known at a given time, retaining contradictions, corrections and supersession history. - [Adopt a useful capability, then compose further](https://lssm.tech/network/technology/developers/?lng=en): Start with the smallest piece that improves your product. Use the ecosystem map to find it, and the canonical documentation to implement it. - [Three shared foundations. One connected ecosystem.](https://lssm.tech/network/technology/ecosystem/?lng=en): ContractSpec powers the ecosystem, LSSM OS provides its infrastructure, and BrainOS brings context and intelligence. Follow these roles across the products, audiences and work they support. - [A connected system, made to evolve with you.](https://lssm.tech/?lng=en): Explore ContractSpec for contracts and build, BrainOS for context and intelligence, and Patio for shared infrastructure and data. LSSM OS composes and operates them; CommunicationOS and focused platforms support specific work. - [Scraping & browser execution](https://lssm.tech/network/technology/infrastructure/acquisition-runtime/?lng=en): Governed provider routing for web requests, browser sessions, proxies, collection jobs and acquisition recovery. - [Billing, finance & e-invoicing](https://lssm.tech/network/technology/infrastructure/billing-finance/?lng=en): Quote-to-cash, financial review and exact-money handoffs, with optional France-specific invoice readiness and Factur-X generation. - [Collaboration & sync](https://lssm.tech/network/technology/infrastructure/collaboration-sync/?lng=en): Protocol-neutral realtime and collaboration envelopes, convergence semantics, presence and an ephemeral WebSocket proof. - [Communication & realtime delivery](https://lssm.tech/network/technology/infrastructure/communication-delivery/?lng=en): Messaging journals, channel adapters, durable outboxes and ticketed realtime delivery across communication experiences. - [Content, media & editorial workflows](https://lssm.tech/network/technology/infrastructure/content-production/?lng=en): Composable text, image, video and analysis boundaries with immutable revisions, review, publication and rights-aware recovery. - [Customer support & resolution](https://lssm.tech/network/technology/infrastructure/customer-support/?lng=en): Reusable SupportOS case intake, operator inbox, governed assistance, resolution workflows and durable support workers. - [Embedded email & inboxes](https://lssm.tech/network/technology/infrastructure/embedded-correspondence/?lng=en): Dedicated workflow correspondence and scoped read, draft and send access, represented by the MailPatio product direction. - [Forms, intake & consent](https://lssm.tech/network/technology/infrastructure/forms-intake/?lng=en): Portable authoring and respondent flows with immutable publication, branching, resumable responses, assurance and scoped analysis. - [Growth programs & distribution](https://lssm.tech/network/technology/infrastructure/growth-distribution/?lng=en): GrowthOS referrals, affiliates, reviewed marketing, social publishing, advertising execution and evidence-aware outcome measurement. - [Identity, access & policy](https://lssm.tech/network/technology/infrastructure/identity-access-policy/?lng=en): AuthOS identity and membership, provider-backed sign-in, scoped authority, policy review and evidence-bound execution permits. - [Infrastructure across the ecosystem](https://lssm.tech/network/technology/infrastructure/?lng=en): Reusable communication, commercial, identity and operating services beneath focused products. - [Learning, journeys & progression](https://lssm.tech/network/technology/infrastructure/learning-progression/?lng=en): Shared onboarding, drills, coaching, learning journeys and deterministic cadence, streak, quest and progression mechanics. - [Live meetings, video & capture](https://lssm.tech/network/technology/infrastructure/live-communication/?lng=en): Meeting-capture contracts and provider-neutral meeting orchestration with explicit participation, recording consent and governed follow-up boundaries. - [Metering & cost control](https://lssm.tech/network/technology/infrastructure/metering-cost-control/?lng=en): Reusable usage aggregation, exact cost calculations, budget decisions and billing-facing economic references. - [Notifications & channel preferences](https://lssm.tech/network/technology/infrastructure/notification-delivery/?lng=en): Reusable notification preparation, scope-bound preferences, consent and channel wrappers for in-app, web and mobile delivery boundaries. - [Scheduling, booking & meeting work](https://lssm.tech/network/technology/infrastructure/organization-scheduling/?lng=en): OPA planning, booking, agendas, governed meeting intelligence and approved follow-up work across product hosts. - [Household & life administration](https://lssm.tech/network/technology/infrastructure/personal-administration/?lng=en): PersonalOS household membership, purpose-limited delegation, calendar and file references, reminders, recovery and portable data rights. - [Personal finance & ownership](https://lssm.tech/network/technology/infrastructure/personal-finance/?lng=en): Subject-owned wealth, cash-flow, budget, obligation and scenario records for a private PersonalOS finance overview. - [Phone identity, calls & messages](https://lssm.tech/network/technology/infrastructure/phone-connectivity/?lng=en): A proposed phone identity, voice, SMS, MMS and RCS boundary, subject to provider/carrier support and qualified host integration. - [Postal & formal correspondence](https://lssm.tech/network/technology/infrastructure/postal-correspondence/?lng=en): A proposed service boundary for physical letters, print/post handoffs, address preparation and explicit delivery evidence. - [Private & workplace messaging](https://lssm.tech/network/technology/infrastructure/private-messaging/?lng=en): Canonical threads, identities, revocable grants and routing for private and workplace channels, composed through host-owned adapters. - [Deployment, state & queues](https://lssm.tech/network/technology/infrastructure/runtime-state-queues/?lng=en): Plan and operate runtime components with provider-neutral state, queues, caches, recovery and evidence-bound execution. - [Social channels & publishing](https://lssm.tech/network/technology/infrastructure/social-channel-operations/?lng=en): Reusable social publishing and scheduling source, scoped analytics and restricted messaging contracts; the SocialPatio product remains a concept. - [Speech & voice interaction](https://lssm.tech/network/technology/infrastructure/voice-interaction/?lng=en): Reusable TTS, STT, transcript/turn orchestration and streaming-compatible audio interfaces; VoicePatio remains a proposed branded experience. - [Work graph & execution planning](https://lssm.tech/network/technology/infrastructure/work-planning/?lng=en): Canonical WorkOS tasks, projects, strategy, immutable events, recurrence and governed synchronization that products can compose. - [Connect systems with the responsibilities visible](https://lssm.tech/network/technology/integrations/?lng=en): An integration combines technical compatibility with operational decisions: where a service runs, where data goes, which account it uses and who maintains the connection. - [Patio — a staged domain plan](https://lssm.tech/network/technology/patio/domain-plan/?lng=en): 11 potential names, 10 extension options and a launch-by-launch purchase strategy. - [Patio — the earlier 42-domain namespace](https://lssm.tech/network/technology/patio/domains/?lng=en): The earlier listed Patio addresses, with a link to the expanded candidate list and staged purchase plan. - [Patio — infrastructure and data holding](https://lssm.tech/network/technology/patio/?lng=en): The complete Patio scope across data, infrastructure, transmission, streams and specialized product brands within LSSM. - [Product platforms & shared capabilities](https://lssm.tech/network/technology/platforms/?lng=en): Explore CommunicationOS, BillingOS, FinanceOS, OSINT, web acquisition, metering, MailPatio and PersonalOS through their own components and source. - [Decide what your environment needs to own](https://lssm.tech/network/technology/self-hosting/?lng=en): Self-hosting starts with operational requirements, not a universal deployment recipe. Identify the services, data and provider access your team needs to control. - [Shared foundations. Distinct product experiences.](https://lssm.tech/network/technology/shared-experiences/?lng=en): Reuse product primitives, canonical tasks and visual components while each brand keeps its own audience and composition. - [ContractSpec — complete package source map](https://lssm.tech/network/technology/source-map/?lng=en): Every inspected domain, platform, bundle and replacement foundation package, connected to its ecosystem role. - [Agent protocol specs](https://lssm.tech/network/technology/specifications/agent-protocol/?lng=en): Provider-neutral durable agent help, uncertainty and common protocol definitions with exact legacy compatibility. - [Assurance specs](https://lssm.tech/network/technology/specifications/assurance/?lng=en): Provider-neutral assurance and compliance evidence correlation contracts for autonomous-company actions. - [Identity & AuthOS specs](https://lssm.tech/network/technology/specifications/authos/?lng=en): Contract-first AuthOS specifications for identity, authentication, federation, and security-gated account surfaces. - [Billing specs](https://lssm.tech/network/technology/specifications/billing/?lng=en): Country-neutral BillingOS quote-to-cash contracts, invariants, and agent action governance types. - [Builder specs](https://lssm.tech/network/technology/specifications/builder/?lng=en): Builder control-plane contracts, capabilities, and validation for ContractSpec. - [Communication specs](https://lssm.tech/network/technology/specifications/communication/?lng=en): Canonical communication contracts, operations, events, and validation helpers for ContractSpec. - [CompanyOS specs](https://lssm.tech/network/technology/specifications/companyos/?lng=en): Contract-first CompanyOS V0/V1 specifications for bounded company operations. - [Content analysis specs](https://lssm.tech/network/technology/specifications/content-analysis/?lng=en): Evidence-first provider-neutral content analysis and content-generation contracts. - [Creative intelligence specs](https://lssm.tech/network/technology/specifications/creative-intelligence/?lng=en): Evidence-first creative trend, hypothesis, outcome, and benchmark contracts. - [Creator operations specs](https://lssm.tech/network/technology/specifications/creator-operations/?lng=en): Provider-neutral creator-operations contract definitions: campaign, submission, wallet, training, quiz and accrual operation, schema, port and feature specs extracted unchanged from ContractSpec compatibility. - [Crypto payments specs](https://lssm.tech/network/technology/specifications/crypto-payments/?lng=en): Provider-neutral crypto wallet governance and HTTP-native agent payment protocol contracts. - [Support specs](https://lssm.tech/network/technology/specifications/customer-support/?lng=en): Provider-neutral SupportOS customer-support contract definitions: case, authority, operation, event, schema and feature specs extracted unchanged from ContractSpec compatibility. - [Finance specs](https://lssm.tech/network/technology/specifications/finance-ops/?lng=en): Provider-neutral internal finance operations contracts beyond BillingOS quote-to-cash. - [Founder intelligence specs](https://lssm.tech/network/technology/specifications/founder-intelligence/?lng=en): Provider-neutral contracts for founder-private intelligence, executive projections, and operating archetypes. - [Gamification specs](https://lssm.tech/network/technology/specifications/gamification/?lng=en): Portable cross-vertical gamification campaign contracts and validation. - [Growth specs](https://lssm.tech/network/technology/specifications/growth/?lng=en): Provider-neutral growth and marketing operation contracts for autonomous-company campaign, lifecycle, and publishing handoffs. - [Specialized specifications — ContractSpec to systems](https://lssm.tech/network/technology/specifications/?lng=en): Explore the domain and platform specifications, their source dependencies and connected systems. - [Infrastructure operations specs](https://lssm.tech/network/technology/specifications/infra-ops/?lng=en): Provider-neutral infrastructure operations contracts and evidence for autonomous-company deployment and incident loops. - [LSSM OS specs](https://lssm.tech/network/technology/specifications/lssm-os/?lng=en): Canonical, provider-neutral context and goal contracts for LSSM OS. - [Observability specs](https://lssm.tech/network/technology/specifications/observability/?lng=en): Pure signal declarations, cost evidence models and deterministic validation shared by observability and billing. - [Opportunity specs](https://lssm.tech/network/technology/specifications/opportunity/?lng=en): Provider-neutral opportunity scoring and selection contracts for autonomous-company candidates. - [Orchestration specs](https://lssm.tech/network/technology/specifications/orchestration/?lng=en): Provider-neutral cross-domain orchestration semantics for autonomous-company workflows. - [Organization & planning specs](https://lssm.tech/network/technology/specifications/organization-planning/?lng=en): Provider-neutral organization, planning, agenda, booking, and auto-scheduling contracts for autonomous-company operations. - [OSINT specs](https://lssm.tech/network/technology/specifications/osint/?lng=en): Evidence-first, provider-neutral OSINT v0 schemas and contracts. - [Personal finance specs](https://lssm.tech/network/technology/specifications/personal-finance/?lng=en): Subject-bound, provenance-first, non-advisory PersonalOS finance contracts. - [Personal health specs](https://lssm.tech/network/technology/specifications/personal-health/?lng=en): Consent, provenance, safety, sharing, and rights contracts for non-clinical PersonalOS health data. - [PersonalOS specs](https://lssm.tech/network/technology/specifications/personal-os/?lng=en): Consent-aware personal mission, agency goal, and projection contracts for LSSM OS. - [Provider routing specs](https://lssm.tech/network/technology/specifications/provider/?lng=en): Provider routing and runtime-target contracts for ContractSpec Builder. - [Talent specs](https://lssm.tech/network/technology/specifications/talent/?lng=en): Provider-neutral cofounder, hiring, and cobuild contracts. - [Work Graph specs](https://lssm.tech/network/technology/specifications/work/?lng=en): Canonical provider-neutral Work Graph contracts for CompanyOS and modular Work OS consumers. - [Adaptive product surfaces](https://lssm.tech/network/technology/toolchain/adaptive-surfaces/?lng=en): Compose product-owned marketing and application experiences from shared design packs, surface contracts, role-aware layouts and bounded personalization. - [Agents & coordinated execution](https://lssm.tech/network/technology/toolchain/agent-orchestration/?lng=en): Compose agent sessions, tools, worker fleets and execution lanes with bounded delegation, checkpoints and evidence. - [App submission readiness](https://lssm.tech/network/technology/toolchain/app-submission-readiness/?lng=en): ReviewReady audits supplied mobile-store evidence into reviewable readiness findings and rejection-response preparation. - [Builder & product delivery](https://lssm.tech/network/technology/toolchain/builder-authoring/?lng=en): Turn product intent and source material into blueprints, implementation plans, controlled candidate changes and handoff evidence. - [CI, release & progressive delivery](https://lssm.tech/network/technology/toolchain/delivery-release/?lng=en): Execute reviewed quality plans, collect build evidence, coordinate release checkpoints and support bounded rollout and rollback. - [Policy, review & governance](https://lssm.tech/network/technology/toolchain/governance-control/?lng=en): Bind decisions, reviews, approvals, constraints and audit evidence to the exact proposed work and current scope. - [Governed improvement & self-healing](https://lssm.tech/network/technology/toolchain/governed-improvement/?lng=en): Turn operational signals into scoped candidates, independent evaluations, controlled canaries, observed promotion and recoverable rollback. - [Toolchain, agents & governed execution](https://lssm.tech/network/technology/toolchain/?lng=en): Explore the source-backed roles for discovery, building, agents, verification, delivery and continuous improvement. - [Opportunity research & evaluation](https://lssm.tech/network/technology/toolchain/opportunity-discovery/?lng=en): Develop and compare company ideas using captured research, explicit evidence, hard gates, economics and portfolio decisions. - [Runtime operations & recovery](https://lssm.tech/network/technology/toolchain/runtime-recovery/?lng=en): Plan and execute qualified infrastructure changes, observe drift and retain exact receipts for reconciliation, recovery and rollback. - [Verification, testing & evaluation](https://lssm.tech/network/technology/toolchain/verification-evaluation/?lng=en): Evaluate software and agent candidates with controlled harnesses, quality plans, graders, replay artifacts and explicit release evidence. ## Related LSSM sites - [LSSM](https://lssm.co/?lng=en): ventures, products and the shared portfolio. - [LSSM World](https://lssm.world/?lng=en): editorial journal. - [LSSM atlas](https://lssm.xyz/?lng=en): the ecosystem atlas. - [LSSM.pics](https://lssm.pics/?lng=en): the visual collection. - [ContractSpec](https://www.contractspec.io/): one definition of product behavior for APIs, interfaces and agents. ## Optional - [Full page index](https://lssm.tech/llms-full.txt): every indexable page on this host with its description. - [Sitemap](https://lssm.tech/sitemap.xml): canonical English and French URLs. - [LinkedIn](https://www.linkedin.com/company/lssm-tech)