You build out of these.

Paddle.com Market Ltd · merchant of record
Prevents falling behindOperations & finance
Resells your software in its own name and thereby becomes the buyer's contractual counterparty. Registration, calculation, remittance and liability for indirect tax in foreign jurisdictions then sit with the vendor rather than with the software company.
Building blockEstablished● Solo● Mid-market◐ EnterpriseSolo: suitable, Mid-market: suitable, Enterprise: suitable with caveats

Stripe, Inc. · payments and billing
Prevents falling behindOperations & finance
Accepts payments, bills subscriptions and carries the tax logic without running your own payment operation.
Building blockEstablished, AI retrofitted● Solo● Mid-market● EnterpriseSolo: suitable, Mid-market: suitable, Enterprise: suitable
Register entry, no profile · stripe.com

Infisical, Inc. · secrets management
Prevents falling behindGovernance & security
Keeps credentials, keys and certificates in one place, hands them out only to verified humans and machines, and logs every issue. That takes passwords out of chat threads, spreadsheets and source code.
Building blockEstablished● Solo● Mid-market◐ EnterpriseSolo: suitable, Mid-market: suitable, Enterprise: suitable with caveats

Langfuse GmbH, Berlin (owned by ClickHouse, Inc. since 2026-01-16) · model call logging
Prevents falling behindGovernance & security
Once you build language models into a product, you cannot see what the model was asked, what it answered, what the call cost, or whether a prompt change improved or degraded quality. Langfuse records every model call, versions the prompts and scores answers against fixed test cases.
Building blockAI-native● Solo● Mid-market◐ EnterpriseSolo: suitable, Mid-market: suitable, Enterprise: suitable with caveats

Berrie AI Incorporated (BerriAI) · model gateway
Prevents falling behindGovernance & security
Puts one uniform interface in front of many model providers, so keys, cost, limits and logs sit in one place instead of scattered across every service that calls a model.
Building blockAI-native◐ Solo● Mid-market◐ EnterpriseSolo: suitable with caveats, Mid-market: suitable, Enterprise: suitable with caveats

Ory Corp (EU-Vertretung: Ory Germany GmbH, München) · identity and access
Prevents falling behindGovernance & security
Sign-in, registration, sessions, multi-factor and access rights have to work in every product with more than one user. Ory supplies that layer either as a hosted service or as open source servers you run yourself.
Building blockEstablished◐ Solo● Mid-market◐ EnterpriseSolo: suitable with caveats, Mid-market: suitable, Enterprise: suitable with caveats

Astro-Projekt (MIT), getragen von Cloudflare · website stack
Prevents falling behindContent & web
Builds a website into finished files at publish time, so no code has to load in the browser just to display the page.
Building blockEstablished◐ Solo● Mid-market● EnterpriseSolo: suitable with caveats, Mid-market: suitable, Enterprise: suitable
Prevents falling behindContent & web
Separates content from its presentation and serves it through an API, so website, app and answer engines all read from one source.
Building blockEstablished● Solo● Mid-market◐ EnterpriseSolo: suitable, Mid-market: suitable, Enterprise: suitable with caveats
Prevents falling behindContent & web
Manages content, multiple websites and translations in a self-hosted system built on Symfony.
Building blockEstablished○ Solo● Mid-market● EnterpriseSolo: not suitable, Mid-market: suitable, Enterprise: suitable

Cloudflare, Inc. · hosting and edge
Prevents falling behindProduct & engineering
Delivers a website's files worldwide and runs small functions at the network edge, without operating your own server.
Building blockEstablished● Solo● Mid-market● EnterpriseSolo: suitable, Mid-market: suitable, Enterprise: suitable

Supabase, Inc. · database and auth
Prevents falling behindProduct & engineering
Provides database, authentication and file storage as a kit on top of Postgres instead of running each part yourself.
Building blockEstablished● Solo● Mid-market◐ EnterpriseSolo: suitable, Mid-market: suitable, Enterprise: suitable with caveats
Register entry, no profile · supabase.com