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Popular Building Blocks

The tools developers are building with. Ranked by verified developer builds, ecosystem adoption, and lifetime engagement.

Tech StacksPopular Building Blocks

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1

Stripe

Stripe

Tool

Financial Infrastructure for the Internet

paymentsbillingfintechstripesubscriptionsapi

4 builds

Paid

2

Cloudflare

Cloudflare

Tool

Making the Internet Faster and More Secure

cdnsecuritydnscloudflareedgeserverlessinfrastructure & cdn

1 builds

Freemium

3

PostgreSQL

PostgreSQL

Tool

The World's Most Advanced Open Source Relational Database

postgressqldatabaserelationalopen-sourceaciddatabases

1 builds

Open Source

4

Next.js

Next.js

Tool

The React Framework for the Web

reactframeworkssrtypescriptfullstackserver-componentsframeworks

1 builds

Open Source

5

Pangolinfo VOC Insight MCP

Pangolinfo VOC Insight MCP

Tool

Customer voice and sentiment research for AI agents

MCPvoice of customersocial listeningsentiment analysismarket researchmcp servers / marketing analytics

Paid

6

热核算力

热核算力

Tool

Paid GPT API gateway for developers with GO, PLUS and PRO groups

GPT APILLM APIAI API gatewaydeveloper toolsai / llm api

Paid

7

Prisma Postgres

Prisma Postgres

Tool

Managed Postgres for TypeScript apps and AI agents, with built-in connection pooling and a free plan.

PostgresPostgreSQLDatabaseApp hostingFull stackTypeScriptServerlessPrisma ORMAI agentsdatabases

Free

8

SiftingIO Market Data API

SiftingIO Market Data API

Tool

Real-time and historical market data for developers

market datareal-time datahistorical datastocksETFsforexcommoditiescryptoREST APIWebSocketPythonTypeScriptGofinancial data apis

Freemium

9

Kitset

Kitset

Tool

Find useful websites by task

calculatorsconvertersPDF toolstext toolsdeveloper tools

Free

10

Playwright

Playwright

Tool

Fast and Reliable End-to-End Testing for Modern Web Apps

testingplaywrighte2ebrowser-automationqadeveloper-tools

Open Source

11

Raycast

Raycast

Tool

Supercharged Desktop Launcher for Developers

raycastproductivitylaunchermacosdevtoolsextensionsdeveloper productivity

Freemium

12

Linear

Linear

Tool

The Issue Tracking Tool You'll Actually Enjoy Using

issue-trackerproductivitylinearproject-managementdeveloper-toolsdeveloper productivity

Freemium

13

PostHog

PostHog

Tool

The All-in-One Developer-First Product Operating System

analyticsproduct-analyticsposthogfeature-flagssession-replayopen-source

Freemium

14

Turborepo

Turborepo

Tool

High-Performance Build System for JavaScript and TypeScript Monorepos

monorepobuild-toolturboreporustcachingtypescriptbuild tools

Open Source

15

Algolia

Algolia

Tool

The Flexible AI Search and Discovery Platform

searchalgoliafast-searchapidiscoverysaassearch & discovery

Freemium

16

OpenAI API

OpenAI API

Tool

State-of-the-Art Generative AI Models via Simple API

aiopenaigpt4machine-learningapillmai & machine learning

Paid

17

LangChain

LangChain

Tool

Framework for Developing Applications Powered by Large Language Models

aillmlangchainragagentsmachine-learningai & machine learning

Freemium

18

Upstash

Upstash

Tool

Serverless Data for Redis, Kafka, and Vector

redisserverlessupstashkafkavectorcachingserverless data

Freemium

19

Neon

Neon

Tool

Serverless Postgres Built for the Cloud

postgresserverlessneondatabasebranchingclouddatabases

Freemium

20

Vite

Vite

Tool

Next Generation Frontend Tooling

vitebuild-toolfrontendbundleresmdevtoolsbuild tools

Open Source