Obsidian.md
Notion
Logseq
Joplin
Roam Research
Evernote
Standard Notes
Bear
Groundbase
Attio
Salesflare
OnePageCRM
Capsule CRM
Nimble
Flowlu
Twenty
Groundbase is a CRM built for technical solo operators โ solo founders, indie hackers, freelance developers, and agencies of one.
Flat $9/month. No per-seat pricing, no tiers, no upsells, no "contact sales."
You connect your own Twilio account for SMS and voice, and your own Resend account for email. Your cost per message is whatever those providers charge you โ Groundbase takes no markup and doesn't sit between you and your vendors. A CRM that resells you SMS at 5x cost is a CRM with a conflict of interest.
Groundbase ships a Model Context Protocol server. Claude, Cursor, or any MCP client can read and act on your CRM data directly โ list contacts, create deals, send SMS, build workflows, all from your AI assistant. Most CRMs bolt a chat sidebar onto their UI. Groundbase exposes the data and lets you bring your own model.
Contacts and companies ยท Deal pipeline with drag-and-drop kanban ยท Tasks and calendar ยท Bulk SMS ยท Softphone and voicemail drops ยท Email campaigns with drip sequences and A/B testing ยท Multi-step cadences ยท Automations, workflows, and webhooks ยท Custom fields and saved views ยท CSV import/export ยท Google Calendar sync ยท Public booking pages
Available on web, Windows desktop, and Android.
Enterprise sales teams. There's no SSO, no lead routing, no approval workflows, and no SOC 2. If you have SDRs and a RevOps person, use HubSpot or Salesforce โ they're better at that job.
Built and maintained by one person.
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Groundbase's answer:
Two things.
First, BYO infrastructure. You connect your own Twilio account and your own Resend account. Your cost per SMS is whatever Twilio bills you, on an invoice with your name on it. I don't mark it up and I don't sit between you and your vendors. Most CRMs that offer SMS set their own rate, and you have no way to audit it.
Second, it has an MCP server. Claude, Cursor, or any MCP client can read your contacts, create deals, send SMS, and build workflows using your real data. I didn't bolt a chat sidebar onto the UI. I exposed the data and let you bring whatever AI you already pay for.
Also $9 a month, flat. One plan. No per-seat, no tiers, nothing gated behind an upgrade.
Groundbase's answer:
Technical solo operators. Solo founders, indie hackers, freelance developers, agencies of one.
Concretely: someone who reads "bring your own Twilio account" and thinks "good, I want control" instead of "ugh, more setup." Someone who already knows what an API key is and where to find it. Someone who'd rather assemble a few sharp tools than buy one bundled platform that's mediocre at everything.
If "Twilio account SID" makes you nauseous, this isn't the right tool and I'd rather say so now. Zoho Bigin or HubSpot's free tier will treat you better.
Groundbase's answer:
I built the CRM I wanted and couldn't find. Everything out there either assumed I had a sales team I don't have, or was the cheap entry tier of someone else's upsell funnel.
The part worth telling is what I removed. Groundbase originally had a credits system. Customers topped up a wallet, sent SMS through my master Twilio account, and I marked up the rate. That was supposed to be platform revenue.
I killed it. A few reasons: A2P 10DLC compliance for a multi-tenant setup is brutal for one person, every credits system generates "where did my $10 go" support emails, and refund accounting on partial balances is miserable.
But the real reason was simpler. I built this to get away from platforms that mark up Twilio, and there I was marking up Twilio. So customers connect their own account now. I lost the markup revenue and got back a product I'd actually buy.
Groundbase's answer:
Cloudflare Workers for the backend and API. Turso (libSQL) for the database. Stripe for billing. Twilio for SMS and voice, though that runs on the customer's own account, not mine. Resend for email, same arrangement.
The web app is React on Vite. Desktop is Electron with a local SQLite store. Mobile is React Native. The MCP server is a separate Worker speaking Streamable HTTP.
No framework on the backend, just TypeScript and the Workers runtime. The marketing site runs on Vercel. Everything else, the API, the app, and the MCP server, is on Cloudflare Workers, mostly for the cost curve. At $9 a month with thin margins, a bandwidth bill that scales on multiple axes is a real problem.
Groundbase's answer:
Depends who you are, and for a lot of people the honest answer is you shouldn't.
If you run a sales team, use HubSpot or Close. They're built for that and I'm not. No lead routing, no approval workflows, no SSO, no SOC 2.
If you're one person, the math changes, because the tier where the useful things live is never the cheap one. HubSpot Sales Hub Professional, where sequences and real automation sit, is $90 per seat per month on annual billing plus a required one-time $1,500 onboarding fee. Close Growth, the tier that unlocks the Power Dialer, is $99 per seat per month annually. Groundbase is $9, one plan, nothing gated behind an upgrade.
Then there's messaging cost. With bundled telephony you pay whatever rate the platform sets and you have no way to audit it. With Groundbase you connect your own Twilio account and the bill arrives with your name on it.
Perhaps you know someone who swears by Obsidian, it may seem like a cult of overly devoted people for how passionate they are, but it's not without reason
I've been using Obsidian for over 3 years, at a point in my life when I felt I had to handle too much information and I felt like grasping water not being able to remember everything I wanted, language learning, programming, accounting, university, daily tasks. A friend recommended it to me next to Notion (of which he is a passionate cultist priest) and I reluctantly picked it and fell in love almost immediately.
Obsidian seems very simple, like a notepad with folder interface, similar to Sublime Text, but the ability to link files together in a Wiki style allows you to organize ideas in any way you want, one file may lead to a dozen or more ideas that are related
If you want to do something specific, Obsidian has a plethora of community created plugins that expand the functionality, in my case, I use obsidian to organize my classes both as a teacher and as a student, using local databases, calendars, dictionaries, slides, vector graphic drawings, excel-like tables, Anki connection, podcasts, and more
I've been using Obsidian for more than a year. It's been great. I think it offer a great balance of control, flexibility and extensibility. What is more, you own your own data, that's been a must-have feature for me. I just can't imagine putting all my knowledge into something that I don't have control over.
I think two of the most popular alternatives that people consider are Logseq and Roam Research. Although Logseq is a bit different, it's considered compatible with Obsidian. Supposedly, you can use them with a shared database (files. Both use simple text files for storage). I tried that once, a few months ago. It worked, yet it messed up a bit my Obsidian files ยฏ_(ใ)_/ยฏ.
Based on our record, Obsidian.md seems to be more popular. It has been mentiond 1523 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.
Inline preview, usually called WYSIWYG. Obsidian's Live Preview mode hides the syntax except where the cursor is. Obsidian is a far better personal knowledge base than anything else on this page, with backlinks, a graph and years of plugins, and if that is what you need the question of what its editor is called does not matter much. - Source: dev.to / 2 days ago
The stack is all open source: Obsidian, GBrain, Horizon, PGLite, and a couple of small Python scripts for the state machine and quality gates. None of the interesting parts are proprietary โ the interesting part is the discipline. - Source: dev.to / 8 days ago
Obsidian is a note-taking app that stores everything as Plain markdown files. It lets you organize and structure your notes in a Flexible way, and because the files are plain text on disk, anything that can Read a directory can read your notes, including an AI agent. - Source: dev.to / 18 days ago
Install Obsidian: Download the client from obsidian.md and create a local Vault โ just a local folder. - Source: dev.to / 2 months ago
Obsidian (https://obsidian.md/) Honestly its not huge and most are probably obvious, but those are what I immediately install on my machines. - Source: Hacker News / 2 months ago
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Attio - Attio is a radically new type of CRM that is real-time, entirely customizable and intuitively collaborative. Using Attio, your team can create, build and deploy your CRM exactly as you want it.
Logseq - Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
Salesflare - Simply powerful CRM. Automates your data to build better relationships and make more sales.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
OnePageCRM - OnePageCRM is a powerful contact management system for small businesses. With this CRM, you can easily focus on what needs to be done next, follow up with every lead and client, keep the team on the same page, and close more deals.