a2ui vs hindsight
a2ui and hindsight share 8 technologies: Google, MCP, React, OpenAI, google-adk, Pydantic, Zod, and js-yaml. a2ui is written in TypeScript and hindsight in Python.
LinkedInWhat they share and what sets them apart
a2ui-project
a2ui
Open-source generative UI framework: agents stream layout data, and apps render it with native components in React, Angular, Lit, Flutter, SwiftUI and Jetpack Compose.
TypeScript17kRead on November 7, 2026, at commit 07aa6a7What is a2ui built with?Only in a2ui
- Flutter
- anyio
- Lit
- Angular
furo
mkdocs-material
- video_player
- a2ui-agent-sdk
- a2ui-core
- myst-parser
- Yams
- flutter_markdown_plus
- jsonschema
- referencing
- com.networknt:json-schema-validator
- logging
- Ajv
vega-embed
- zod-to-json-schema
- validate-color
yaml
- dompurify
markdown-it
In common
vectorize-io
hindsight
Hindsight: Agent Memory That Learns
Python59kRead on November 5, 2026, at commit ee3bd04What is hindsight built with?Only in hindsight
- FastAPI
pgvector
psycopg2-binary
- Postgres
- Claude
- AIOHTTP
uvicorn
fastmcp
- Tokio
- Next.js
- Preact
- Rich
- crossterm
- indicatif
- Ratatui
- SQLAlchemy
- alembic
- cryptography
- pyjwt
- einops
- Haystack
openai-agents
- pydantic-ai-slim
strands-agents
litellm
- torch
- CrewAI
- LangChain
llama-index-core
- autogen-core
pillow
- validator.v2
- opentelemetry-api
opentelemetry-semantic-conventions
- OpenTelemetry
- opentelemetry-exporter-otlp-proto-http
opentelemetry-instrumentation-fastapi
- Tailwind CSS
class-variance-authority
- @tailwindcss/postcss
- PostCSS
- next-themes
tailwind-merge
sonner
- Radix UI
react18-json-view
recharts
- cmdk
- Lucide
- react-markdown
remark-gfm
ai
- @opencode-ai/plugin
@clack/prompts
Side by side
a2uihindsight
SizeLines written by people and agents, without generated ones; code files, without tests.
a2ui662,704 lines written1,229 code files
hindsight749,226 lines written1,156 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
a2ui1.9% of its commits signed by AIWith Gemini CLI
hindsight6.8% of its commits signed by AIWith Claude Code, Cursor, Codex, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
a2uiLast push November 7, 20261,810 commits17,001 stars
hindsightLast push November 5, 20264,037 commits58,979 stars
TestsThe files that test the code, and the share of code files a test imports.
a2ui1,165 test files44.9% of its code files have a test that imports them
hindsight1,333 test files30.2% of its code files have a test that imports them
Frequently asked questions
Which is bigger, a2ui or hindsight?
hindsight, with 749,226 lines written; a2ui has 662,704.
Which has more GitHub stars, a2ui or hindsight?
hindsight, with 58,979 stars; a2ui has 17,001.
The proof: vectorize-io/hindsight on GitHub
Which has more tests, a2ui or hindsight?
hindsight, with 1,333 test files; a2ui has 1,165.
Which was updated more recently, a2ui or hindsight?
a2ui: its last push was on November 7, 2026, and hindsight's on November 5, 2026.
The proof: a2ui-project/a2ui's commits on GitHub
Which has more commits signed by AI, a2ui or hindsight?
hindsight: an AI signed 6.8% of its commits, with Claude Code, Cursor, Codex, and GitHub Copilot; in a2ui, 1.9%.
The proof: the commits each tool signed in vectorize-io/hindsight
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