AI assistants & chat

AI personal assistants: the tech stack of 37 real products

Assistants that act on your email, calendar, tasks or files for you.

What sets them apart

Picks at least twice as common here as among products overall, in decisions at least 10 of them show.

The typical stack

The leading pick where at least 8 of them show the decision and the leader has at least a quarter of it.

DecisionMost common pickShareAt default usage
Frontend FrameworkNext.js18 of 22 · 82%—
LLM APIOpenAI API19 of 22 · 86%$10/mo · GPT-6 Luna
HostingAmazon Web Services9 of 19 · 47%$17/mo · Pay as you go (Lambda + EC2 t4g.small)
Transactional EmailResend15 of 18 · 83%$20/mo · Pro 50k
DatabaseSupabase5 of 14 · 36%$25/mo · Pro
PaymentsStripe11 of 12 · 92%fees on revenue · $410 on $10,000/mo
Backend FrameworkFastAPI8 of 11 · 73%—
AuthenticationClerk5 of 9 · 56%$0/mo · Hobby
Web AnalyticsGoogle Analytics6 of 8 · 75%$0/mo · Standard

Monthly bills add up to about $72 at the calculators' default usage, list prices; fees on revenue (Stripe) come on top. Set your own usage →

What they chose, decision by decision

Among the AI personal assistants that show each choice, from makers' products and open-source code alike.

Small samples, fewer than 8 products: Product Analytics (PostHog 6, Mixpanel 1) · Vector Database (pgvector 1, Chroma 1) · Lifecycle Email (Loops 6) · AI SDK & Agent Framework (LangChain 2, LlamaIndex 1) · Database Access & ORMs (Prisma 2, Kysely 1) · LLM Observability & Evals (Braintrust 2, Langfuse 1) · Error Monitoring (Sentry 3)

AI personal assistants we track

32 makers' products and 5 open-source projects. Makers' products first.

inbox-zeroOpen-source AI email assistant that triages, labels and drafts replies to help clear your inbox.+28
BetterClawDeploy AI Agent, 60 seconds & $0 forever +7
AlmanacThe agent with a second brain+2
NeuralAgentPersonal AI Assistant That Operates Your Entire Computer+2
NautisThe AI-native Operating System for founders.+1
NerveAI Chief of Staff that does your actual work+1
GAIAYour Personal AI assistant for email, calendar, tasks & more
MartinAI personal assistant like JARVIS
AntispaceAction-Oriented AI: Translate Human Thoughts into Actions
PallyYour personal assistant over text.
ZivyZivy reads your Slack messages and shows only the ones that need your attention, sorted into action items, FYIs and others and ranked by importance and urgency. It is for people who get too many work messages to read them all.
DeckThe most capable AI assistant with its own inbox
AprilVoice assistant app for iPhone that manages email and calendar by spoken commands, such as rescheduling meetings or replying to emails.
BondThe AI to-do list that does itself
EspaAI executive assistant for your to-do's, scheduling, & email
ToyoExec assistant who lives in iMessage and calls your phone
ZinleyYour Personal AI Representative for calls, email, and tasks
Hey NoahNoah is a proactive AI executive assistant for founders. Claude talks to you; Noah talks to your network. It's like Tesla Full Self Driving, and not cruise control- an autonomous AI EA that manages your calendar, relationships, and follow-ups across email, text, and WhatsApp - so nothing slips. Think of it as an always-on EA living in your SMS and helping you with meeting logistics.+8
SkyeAn iPhone home-screen assistant with audio briefings and meeting prep.+2
CaddyCaddy is a proactive AI assistant you text like a friend. It lives in iMessage or SMS, watches your calendar, email, and chats, and texts you first when something needs attention. No app to download. From ex-Loom founders (YC F25), now in public beta.
ReneTurns messages into tasks, reminders, research and shopping in iMessage, Telegram or WhatsApp.
TownTown is the unusually helpful AI assistant. It learns how you work, not the other way around: your voice, your people, your patterns. It works where you do, across email, calendar, docs, and messages. It drafts your replies, handles your scheduling, and builds routines for the work you repeat. The more it learns, the more it does on its own, so your time goes to the work only you can do.o big ideas.
miso.comStop opening 20 tabs to book a trip. Miso is an AI travel agent in iMessage that finds, books, and manages flights and hotels for you. Just text where you want to go and Miso searches live options, learns your travel preferences, and handles the booking in the same conversation. With direct airline access and 24/7 support, you can go from “I need to be in London Tuesday” to booked without leaving Messages.
OllieBrings a household's calendars, emails and school messages into one text thread.
PokeA personal assistant you text: calendar, planning, smart home and more.
openclawThe AI that really does things. Any OS. Any Platform. The lobster way. 🦞 +8
MIRIXMirix is a multi-agent personal assistant designed to track on-screen activities and answer user questions intelligently. By capturing real-time visual data and consolidating it into structured memori+6
nanoclawA lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs direct
sapphireShe's the AI agent you come home to.
alfredPersonal agentic infrastructure. Self-hosted. Always on.+8
Hermes AgentAn open-source agent that grows with you — learns your projects, builds its own skills, and reaches you wherever you are. By Nous Research.+2
NagaAgentA simple yet powerful agent framework for personal assistants, designed to enable intelligent interaction, multi-agent collaboration, and seamless tool integration.+2
aivaAIVA (A.I. Virtual Assistant): General-purpose virtual assistant for developers.