Slack
Trello
Asana
Telegram
Microsoft Teams
Discord
Basecamp
Mattermost
DoubleTime
Toggl
FreshBooks
Harvest
Clockify
TimeLake.io
Bonsai
Invoice Ninja
DoubleTime helps freelancers, consultants, developers, trade professionals, and other solo professionals keep client work, rates, and invoices connected.
Instead of acting like a generic timer, DoubleTime is built around the billing workflow: capture billable work, assign it to a client or project, apply saved rates, review what is ready or blocked, then turn it into a clean invoice.
Use DoubleTime to record calls, fixes, notes, follow-ups, and project work as they happen, or add manual line items later when work was not captured at the time. The Billing Hub helps show work that is ready to invoice, entries that need a client or rate, sent invoices, and overdue balances.
DoubleTime includes client and project management, saved rates, invoice creation, invoice sending, tax controls, unbilled work reports, overdue invoice reports, and a PWA experience that works across desktop, mobile, and web.
It is designed for solo professionals who want fewer billing gaps, clearer records, and a faster path from client work to paid invoice.
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DoubleTime's answer:
DoubleTime started from a simple problem: client work often happens in small scattered moments, but invoicing usually happens later.
By the time a freelancer or contractor sits down to invoice, they may be trying to reconstruct what was done, who it was for, whether it was billable, and what rate should apply. That creates billing gaps, delayed invoices, and uncertainty.
DoubleTime was built to keep those pieces connected. Capture the work, apply the right client and rate, review what is ready or blocked, then create the invoice without piecing everything together from memory.
DoubleTime's answer:
Choose DoubleTime if your main problem is not just tracking time, but turning client work into invoices with less guesswork.
DoubleTime is designed for solo billers who want to keep clients, rates, captured work, invoice items, and billing status in one place. It helps show what is ready to invoice, what needs attention, and where billable value may be sitting unbilled.
It is simpler than a full accounting platform, more billing-focused than a generic task manager, and more outcome-focused than a timer alone.
DoubleTime's answer:
DoubleTime connects the work capture and invoicing process instead of treating them as separate jobs.
Many time trackers stop once work has been recorded. DoubleTime goes further by helping users understand what that work is worth, whether it is ready to invoice, what still needs attention, and which invoices are sent, paid, or overdue.
It also supports manual invoice items, so users do not have to track every minute to use the product. They can capture work as they go or add billable items later when needed.
DoubleTime's answer:
DoubleTime is built for solo professionals who bill clients for their work, including freelancers, consultants, developers, designers, trade professionals, and other independent service providers.
It is especially useful for people who deal with scattered billable work: calls, fixes, revisions, notes, follow-ups, support tasks, and project work that can be easy to forget by invoice time.
DoubleTime is not aimed at enterprise workforce monitoring. It is for people who need a clearer path from client work to invoice.
DoubleTime's answer:
DoubleTime is built as a modern Progressive Web App, allowing it to run in the browser and be installed across desktop and mobile devices.
The PWA approach helps keep the product accessible without forcing users into a platform-specific app store. It also supports the way solo professionals actually work: capturing billable items from different devices, then reviewing clients, rates, invoices, and reports from one place.
i use it at my job it has really helped me keep myself updated with team news and updates. i would prefer it over teams and discord
Slack has transformed how we communicate at Polar Credit, making collaboration faster and more organized. The channel-based messaging, direct integrations with essential tools, and real-time notifications keep our teams connected, reducing reliance on long email threads. The search function is a major plus, helping retrieve past conversations and shared files effortlessly.
Slack has completely transformed how our team works together. The channels keep conversations organized, and we never lose track of important discussions.
It integrates with tools like Google Drive and Zoom, making collaboration effortless. Sharing files is easy, and the search feature saves so much time when finding old messages.
Slack is simple, customizable, and keeps everyone connectedโwhether weโre in the office or remote. Itโs the perfect tool for teamwork!
Based on our record, Slack seems to be more popular. It has been mentiond 237 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Slack is where most work starts and answers land. It gives Pipa the message, requester, workspace, thread, and delivery target. - Source: dev.to / 2 months ago
Go to the Slack API Apps Dashboard and click Create New App. - Source: dev.to / 3 months ago
On top of that, the studio ships with pre-built domain-specific agents for IT, HR, finance, and facilities, plus a library of agentic workflow templates. Agents meet employees where they already are โ Microsoft Teams and Slack โ rather than requiring portal logins. - Source: dev.to / 3 months ago
When educational game startup Glitch failed, the team looked for a pivot. They chose an unlikely candidate - an internal messaging app that was earning rave reviews among the staff. This would go on to become Slack. - Source: dev.to / 4 months ago
Slack: A collaboration hub that provides team messaging and productivity tools with an easy-to-use interface and seamless integrations. Slack had an estimated 42 million active users in 2024. - Source: dev.to / 5 months ago
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
FreshBooks - The ideal accounting software for small business owners.
Telegram - Telegram is a messaging app with a focus on speed and security. Itโs superfast, simple and free.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
