Companies

Dayflow

dayflow.so

Dayflow builds open-source macOS software that automatically turns work activity into a private, readable daily journal.

HQSan Francisco, California, United States
Employees1-50
Jobs checked 5d ago
Specialization
Not classified
Business
Software Applications
Market
Cross Industry
Ecosystem
Applications
Customers
Consumersand 1 more customers values
  • Developers
More details
Organization type
Commercial Company
Ecosystem
Applications
Business
Software Applications
Specialization
Not classified
Market
Cross Industry
Customers
Consumers, Developers
Delivery models
Open Source, On Premise Software
Revenue models
Subscription
Listing status
Not classified
Latest equity round
Not classified
Reported funding amount
Not classified

About

Dayflow builds an open-source macOS productivity app that automatically captures work activity and turns it into a readable daily journal, aimed at developers, freelancers, founders, engineers, and other knowledge workers. Its key differentiators are privacy-first local processing, transparent MIT-licensed code, and AI-generated narrative summaries rather than conventional app-usage charts or manual timers.

Market

Dayflow competes in the AI productivity and automatic time-tracking market, with a particular focus on Mac users. It differentiates through a free, MIT-licensed open-source model, local-first privacy, and semantic work journaling that turns activity into a readable account of what the user accomplished rather than merely showing app-usage charts; competitors such as Rize, Timely, Memtime, and Timing emphasize automatic tracking, billing or team visibility, privacy, or conventional time reporting.

Target Customers

Dayflow targets developers, founders, engineers, freelancers, and other knowledge workers who want an automatic, truthful record of their workday. It is designed for both individual users and enterprise use cases, especially privacy-conscious people who prefer local data ownership.

At a Glance

Problem

Dayflow addresses the gap between what people actually accomplish during a workday and what conventional time trackers record. App-level reports such as “three hours in Chrome” are too vague, while manual timers, tags, and notes are tedious, easy to forget, and often fail to capture the context of work. The resulting pain is both lost productivity insight and an administrative opportunity cost: people struggle to explain where their time went, reconstruct past accomplishments, or identify distractions.

The killer use case is automatically turning a day’s activity into evidence for standups, one-on-ones, performance reviews, and personal retrospectives. Instead of relying on memory weeks later, a founder, engineer, or knowledge worker can retrieve a readable account of bugs fixed, documents written, research completed, and problems solved. The research does not quantify the economic cost or disclose customer ROI, but it clearly positions Dayflow around reducing manual logging and making work history easier to recover and communicate.

Product / Service

Dayflow is a native macOS application that runs quietly in the background, captures screen activity, and uses AI to transform it into a chronological, context-aware work timeline. It aims to understand the activity itself—such as debugging code, reading documentation, or researching a topic—rather than merely reporting which application or window was open. Users can review daily and weekly summaries, ask questions of their work journal, generate standup material, track distractions, and export timelines.

The product is local-first and open source under the MIT license. Recordings, timeline data, and the database remain on the Mac by default; users can choose local models through Ollama or LM Studio, bring their own Gemini, OpenAI, or Anthropic credentials, or use Dayflow’s managed AI service. The free tier includes automatic capture, a private local timeline, AI summaries, and open-source access; Pro is positioned as a managed-AI convenience tier at $20 per month or $16 monthly when paid annually, with enterprise controls such as SSO/SAML and retention policies.

Market

Dayflow competes in the productivity software and automatic time-tracking market, with a distinctive work-journal and AI context layer. Its closest alternatives include Rize, ActivityWatch, Magicflow, and Clockk, alongside broader time-tracking products such as Timing, RescueTime, Timemator, Screen Time, and Toggl. Dayflow’s differentiation is the combination of semantic understanding, a readable narrative timeline, local-first privacy, and open-source distribution rather than billing- or payroll-oriented time accounting.

The company appears to be an early but publicly visible startup rather than an established enterprise vendor. Y Combinator lists it as an active Summer 2024 company founded by Jerry Liu, with a two-person team in San Francisco. Public traction includes a GitHub repository showing 6,745 stars and 391 forks, and a Product Hunt launch listing 200 followers, 182 points, and a #7 day rank. Dayflow offers a free product alongside paid Pro and enterprise plans, but the reviewed sources do not disclose revenue, paying customers, or user counts, so its commercial traction cannot be quantified beyond these public adoption signals.

Founders & Leadership

Jerry LiuFounder
CEO & Co-founder

Recent News

2026-07-15other
Dayflow listed in Y Combinator’s 2026 consumer startup directory

Y Combinator’s consumer-startup directory describes Dayflow as building open-source productivity tools for founders and engineers. The listing does not disclose a financing amount or terms, so this is directory coverage rather than a confirmed funding announcement.

2025-09-23product_launch
Dayflow GitHub repository created as an open-source automatic work journal

The project’s GitHub repository introduced Dayflow as a private, local-first Mac work journal with automatic timelines, daily standup support, chat over work history, and selectable local or cloud AI providers.

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Business Model

Dayflow offers a free open-source tier with local processing or bring-your-own AI provider keys. It monetizes through a Pro plan priced at $20 per month or $16 per month annually, plus custom-priced Enterprise plans with SSO/SAML, retention controls, deployment support, and internal AI-gateway integration.

Products

Dayflow for macOS: automatic work journal and AI time trackerWork timeline with daily and weekly summariesAI-generated work narratives and Dayflow ChatFocus timer, activity breakdown, distraction controls, and standup-update tools

Customers

MetaGoogleDoorDashSquare

Tech Stack

Native macOS applicationSwiftUIAI/LLM providers including Gemini, ChatGPT, Claude, and local modelsLocal storage and local AI processingMIT-licensed open-source software

Competitors

Rize
Timely
Memtime
Timing