← Corpus / self-host-stack / exploration
Watchlist — Interesting Tools Not Yet Sorted
A running catch-all for tools worth a second look, before we know whether they map to a self-host-stack category, a personal-workstation list, or nothing at all.
- Path
- explorations/Watchlist-Interesting-Tools.md
- Authors
- mpstaton
- Augmented with
- Claude Sonnet 5
- Tags
- Exploration · Watchlist · Self-Host-Stack
Watchlist — Interesting Tools Not Yet Sorted
The question
Not every interesting tool arrives already knowing which list it belongs on — core/ (shipping), studies/ (evaluated, not shipped), a client-specific need, or a personal-workstation tool with no bearing on the VC self-host-stack thesis at all. This doc is the landing zone before that sorting happens. Entries here are dropped in fast, with minimal analysis, and get promoted or discarded later.
Why we don’t already know
The README’s category tables (CRM, VDR, BI, knowledge base, etc.) are scoped to firm-wide, self-hostable services that replace a per-seat SaaS line item. A lot of genuinely interesting OSS doesn’t fit that shape — desktop utilities, dev tooling, single-user apps — and forcing every link into that taxonomy on arrival is more analysis than a quick “huh, that’s neat” deserves.
Entries
| Tool | One-liner | License | Self-hostable / server? | Fits an existing category? |
|---|---|---|---|---|
| handy | Offline speech-to-text desktop app (Rust/Tauri, Whisper/Parakeet), 26.8k★ | MIT | No — local desktop app only | No — no firm-wide deployable surface |
| marimo | Reactive Python notebook, git-friendly .py files, deployable as web app, 21.9k★ | OSS (unconfirmed) | Yes — CLI-servable, Docker-deployable | Maybe — closest fit is the “custom build” called out under Portfolio Monitoring, or Analytics/BI |
| flameshot | Cross-platform screenshot + annotation tool, competes with ShareX/Greenshot | GPLv3 | No — local desktop app only | No |
| Syncthing | Decentralized, continuous P2P file sync — no central server, no cloud relay by default | MPL-2.0 | Sort of — runs as a background service per-node, not a hosted service in the usual sense | Discussed as Option B in [[Instantly-Synced-Team-Folder-Nextcloud-vs-Alternatives]] |
| Documenso | Open-source e-signature platform (DocuSign alternative); 21 CFR Part 11 / HIPAA / SOC2 compliance claims | OSS, Docker-deployable | Yes — self-host or hosted, Docker | No existing category — README has no “E-Signature” row today; DocuSign is a real per-firm SaaS line item (subscription docs, side letters, NDAs) this stack doesn’t currently address |
| Penpot | Design/prototyping platform — Figma/Adobe XD/Sketch alternative; design tokens, CSS Grid/Flex layouts, plugin marketplace | MPL-2.0 (Digital Public Good) | Yes — official self-host install, Docker | No existing category — README has no design-tooling row; Figma isn’t a line item the VC-firm cost model currently prices out, so this may be more relevant to a portfolio-company-facing or internal-brand use case than the core thesis |
| Excalidraw | Hand-drawn-style collaborative whiteboard/diagramming; competes with Miro/Whimsical/Figjam | MIT | Yes — official Docker image (excalidraw + excalidraw-room for realtime collab) | No existing category — closest overlap is Team Communication & Collaboration, but whiteboarding is a distinct need (IC memos, org charts, cap-table diagrams) not yet covered |
| Coolify | Self-hostable PaaS — deploy-to-your-own-infra alternative to Vercel/Heroku/Netlify/Railway | Open source (license TBD) | Yes — this is the self-host layer; deploys via SSH to any VPS | Different kind of entry — not a category replacement, it’s infrastructure. Directly overlaps with the README’s own “Railway / Fly template” deploy-wrapper story; could become how client-stacks get deployed rather than a core/ row |
| Listmonk | Self-hosted newsletter/mailing-list manager, single Go binary + Postgres | AGPLv3 | Yes — binary, Docker, or one-click on Railway/PikaPods/Northflank | Overlaps core/plunk — Plunk already covers Mailchimp/Kit/ConvertKit in the Email Marketing category; Listmonk is a narrower, mailing-list-focused alternative in the same lane, worth a bench-off rather than an addition |
| Dub (GitHub) | Link-shortening + attribution/analytics + affiliate-referral platform; replaces Bitly/Rebrandly + Rewardful/PartnerStack | Open-core: AGPLv3 (core) + commercial (enterprise features) | Yes, but heavy — self-hostable per docs, but stack requires Next.js/Prisma/PlanetScale(MySQL)/Upstash Redis/Tinybird analytics, not a simple Docker Compose | No existing category — link/attribution tracking + affiliate programs isn’t covered anywhere in the README today; self-hosting is real but notably more involved than the rest of core/ |
| ”Archify” — ambiguous, two distinct projects share the name: tt-a1i/archify (AI agent skill for Claude/Codex CLI/opencode, turns plain-English descriptions into architecture diagrams) and Harrison-Yuan/archify-webui (open-source web UI doing the same thing) | Architecture-diagram generation from natural language | Unconfirmed | tt-a1i version is a CLI/skill, not hosted; archify-webui is a self-hostable web app | No existing category — dev-tooling/diagramming, not a firm-cost SaaS replacement; flag which one was meant if this gets revisited |
| TencentCloud/CubeSandbox | High-performance sandbox for AI agent code execution, RustVMM/KVM-based, 10.4k★ | Listed as “Other/NOASSERTION” on GitHub — verify before relying on it | Yes — single-node or clustered self-hosted deployment | Different lane entirely — AI-agent execution infra, not a VC-firm SaaS line item. Closer kin to [[Hermes-Agent-Colocation-and-Hackability]] / [[Hermes-Agent-Multi-User-Team-Access]] than to anything in the README’s category tables |
| OmniRoute | Self-hosted local AI gateway/dashboard (Next.js) — one OpenAI-compatible endpoint fronting 231+ LLM providers; token-compression, MCP/A2A support; 18.4k★ | MIT | Yes — local instance, self-hostable | Same lane as CubeSandbox — agent/dev-tooling infra, relevant to the Hermes Agent access-model explorations, not the VC-firm cost-replacement thesis |
| screenpipe (YC S26) | Continuously records screen + audio locally, builds searchable AI-powered memory; own README says it connects to “OpenClaw, Hermes agent and 100+ apps”; 20.3k★ | “Other/NOASSERTION” on GitHub — source-available, verify actual LICENSE before relying on OSS terms | Yes — local-first, private, self-hosted by design | Directly relevant to [[Hermes-Agent-Colocation-and-Hackability]] / [[Hermes-Agent-Multi-User-Team-Access]] — the upstream project namechecks Hermes agent integration itself, not just an analogy |
| OpenCut | Open-source CapCut alternative — web/desktop/mobile video editor; 75k★ | MIT | Unclear right now — mid ground-up rewrite, self-host/Docker story not yet documented; classic version live at opencut.app | No existing category — consumer video editing isn’t a firm-cost line item covered anywhere in the README; notable for a planned Editor API / plugin system / MCP server integration on its roadmap |
| Agent-Reach | Local-first, zero-API-fee CLI giving AI agents web/social access (Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu); 57.5k★ | MIT | Yes — local-first by design, no hosted service needed | Directly competes with Firecrawl + Tavily — both wired into this session as MCP servers right now. Same lane as CubeSandbox/OmniRoute/screenpipe (agent infra), but this one specifically threatens two tools already in active use, not just adjacent |
| OpenScreen | Free open-source Screen Studio alternative — screen recording, auto-zoom, Bézier cursor animation, annotations for polished demos (Mac-focused); 39.5k★ | MIT | No — local desktop app only | Same shape as handy/flameshot — no server component, not a firm-wide deployable service; useful for recording demos of anything in core/ but not a core/ candidate itself |
| FluidVoice | On-device macOS dictation app, local Wispr Flow alternative; 8.2k★ | GPLv3 | No — local desktop app only | Direct sibling to handy (same niche — on-device speech-to-text) — the two are alternatives to each other, not to anything in the README |
| MinIO | High-performance, S3-compatible object storage; 61.3k★ | AGPLv3 | Yes — mature, Docker-deployable, the de facto OSS standard here | Strong core/ candidate — replaces AWS S3 storage/egress or Backblaze/Wasabi; no “Object Storage” category exists in the README yet, and this fits the exact shape of existing core/ entries better than most of this list |
| Colanode | Local-first, open-source “Slack and Notion alternative” — chat + docs + databases + files in one app, CRDT-backed sync; 5k★ | Apache-2.0 | Yes — self-hostable, “host anywhere” | Straddles two existing categories (Team Communication + Knowledge Management) rather than fitting either — a consolidation play vs. Mattermost + Outline/AppFlowy, but much less battle-tested (5k★) than the incumbents already named there |
| Docmost | Open-source collaborative wiki/docs — explicit Confluence + Notion alternative; 21k★ | AGPLv3 | Yes — Docker-deployable | Overlaps existing Knowledge Management category directly — same lane as Outline/BookStack/Wiki.js/AppFlowy already named in the README; worth a bench-off, not a new category |
| SiYuan | Privacy-first, block-based personal knowledge management (Obsidian/Roam-shaped, not a team wiki); 45.2k★ | AGPLv3 | Yes — self-hosted, Docker for the sync/server piece | Adjacent to Knowledge Management category but a different sub-shape — personal PKM/outliner vs. team wiki (Docmost/Outline/AppFlowy); closer kin to Obsidian than Confluence |
| AtomicServer (ontola/atomic-server) | Lightweight headless CMS + real-time graph database; positions against Airtable and Notion/Google Docs; 8MB binary, 1.6k★ | MIT | Yes — self-hostable, built-in HTTPS/LetsEncrypt, no runtime deps | Straddles Database & Workflow Applications (Airtable-alternative lane, alongside NocoDB/Baserow/Teable) — but pre-1.0 alpha, breaking changes expected; much earlier-stage than the incumbents already named there |
| RSSHub | Generates RSS feeds for sites/apps that don’t offer one; 5000+ built-in routes; 45.3k★ | AGPLv3 | Yes — Docker-deployable | No existing category, but a plausible feed source for Research Capture & Bookmarking — could feed portfolio-news/founder/competitor monitoring into Karakeep rather than standing alone |
| Harbor | CNCF-graduated, self-hosted container image registry — stores/signs/scans images; 29k★ | Apache-2.0 | Yes — Docker/Kubernetes-deployable | Infra-tier, groups with MinIO/Coolify — replaces Docker Hub Pro / GHCR private-repo tiers; no container-registry category exists, but same “dev-team infra” cluster as MinIO |
| Stalwart | All-in-one mail + collaboration server — IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV in one binary; 13.7k★ | Not detected by GitHub API — verify actual LICENSE before relying on terms | Yes — self-hosted, Rust binary | Fills a real gap — nothing in the README covers hosting the firm’s actual email inbox or calendar/contacts sync (Plunk only does marketing/transactional sends); could replace Google Workspace/M365 mail hosting outright, a bigger line item than most existing categories |
| Onyx (formerly Danswer) | Open-source AI chat / enterprise-search platform — connects to 40+ data sources (Slack, Drive, Confluence, etc.), works with any LLM; 31k★ | “Other/NOASSERTION” on GitHub — verify actual LICENSE/dual-license terms | Yes — self-hostable | Now pinned as a submodule in ai-labs/studies/conversational-ui-and-native-shells (2026-07-20) — re-evaluating its Tauri desktop shell despite a prior exclusion verdict there (thin webview, static config, not a runtime adapter swap) |
| PortalJS (GitHub) | AI-native framework for building open-data portals — Next.js, scaffolds a full portal from a brief, any backend (CKAN/DKAN/OpenMetadata/GitHub/Frictionless); 2.3k★ | MIT | Yes — self-hostable with editable code, or managed hosting via “PortalJS Arc” | Also pinned as a submodule in ai-labs/studies/conversational-ui-and-native-shells (2026-07-20) — doesn’t fit that study’s native-shell thesis at all (no Tauri/Electron, no chat UI); pinned there at explicit request, same “pinned anyway” precedent as librechat. No fit in this repo’s own category tables either — closest analogy is Knowledge Management, but it’s a data-portal builder, not a wiki |
| tududi | Self-hosted task/project manager — tasks, projects, notes, areas, smart workflows; 3.1k★ | MIT | Yes — self-hosted or hosted | No existing category — personal/team task management (Todoist/Asana/Things-shaped) isn’t covered anywhere in the README; closest neighbors are Database & Workflow Applications and Knowledge Management, but this is purpose-built rather than general-purpose |
| 4ga Boards | Realtime Kanban board app (Trello-shaped) — dark mode, collapsible todo lists; 672★ | MIT | Yes — self-hostable | Same gap as tududi but Kanban/Trello-shaped instead of Todoist/Asana-shaped; much smaller/earlier project (672★) — worth a bench-off against tududi and each other rather than both, if this category ever gets built out |
| Diction | iOS keyboard that transcribes speech to text in any app; 52★ | MIT | No — local iOS keyboard extension | Same lane as handy/FluidVoice — personal-device dictation tool, no server, no self-host angle at all; very early (52★) |
| shelftxt | Self-hosted book-tracking/recommendation app (Goodreads-shaped) — shelves, TBR ranking by author preference, CSV import/export; 8★ | MIT | Yes — Docker Compose | No fit — Goodreads isn’t a firm-cost line item; a personal-interest tool, very early-stage (8★, single contributor) |
| FreeFrame | Self-hosted collaborative media review — explicit Frame.io alternative; frame-accurate video/image/audio comments, annotations, approval workflows; 129★ | MIT | Yes — Docker Compose, S3-compatible storage backend (AWS/R2/MinIO), FFmpeg+Celery transcoding, Traefik | No existing category, but a real dependency link to MinIO already on this list (uses it as a storage backend); natural companion to core/postiz-app if a firm’s marketing team produces/reviews video |
| KeibiDrop | On-demand peer-to-peer file mounting — another device’s files “show up as a folder” instantly via FUSE, not a synced storage library; 38★ | “Other/NOASSERTION” on GitHub — verify before relying on terms | No self-hosting documented — relies on KeibiSoft’s own relay server as P2P fallback (E2E-encrypted, but still a vendor dependency) | Not actually Dropbox-shaped — closer kin to Syncthing already on this list than to Nextcloud/Dropbox; early-stage (38★) |
| Ignis | Runs Obsidian in the browser against a server-side vault — “no remote desktop required”; browser-compatible shim for Electron APIs Obsidian uses, downloads Obsidian from official sources at runtime, doesn’t vendor its code; 836★ | AGPL-3.0 | Yes — Docker Compose | No existing category, but directly relevant to [[content-farm’s context-v/plans/Create-a-Study-of-the-Best-Obsidian-Plugins]] and this repo’s own [[Instantly-Synced-Team-Folder-Nextcloud-vs-Alternatives]] — also logged there. Caveat: doesn’t support plugins needing native Node modules or child processes, worth checking against content-farm’s own plugin set before relying on it |
| Tymeslot | Open-source meeting scheduler (Elixir/Phoenix LiveView) — positions directly against Calendly + Cal.com’s 2026 licensing shift; CalDAV/Google/Outlook/Zoom/Meet/Teams sync, Stripe Connect, SSO/OAuth; 145★ | AGPL-3.0 | Yes — single-container Docker w/ bundled Postgres, or Cloudron/Railway one-click | README correction needed — the main table (Calendar & Scheduling category) still lists Cal.com as the self-hosted Calendly alternative, but Cal.com’s commercial codebase went closed-source in April 2026 (confirmed independently); the still-open piece split off as a separate MIT project, Cal.diy. That row is now stale and should note the split, whether or not Tymeslot itself gets promoted |
Findings
- Three of the first four drops (handy, flameshot, and arguably Syncthing) are single-machine tools, not firm-wide deployable services — a pattern worth naming: this watchlist will likely accumulate a “not actually self-host-stack material” pile, and that’s fine, it’s still useful as a record of what was considered and why it didn’t fit.
- marimo is the one entry here with a real deployment story (Docker, CLI-servable web app) — worth a closer look if/when the Portfolio Monitoring category gets its custom-build treatment.
Tentative direction
Keep this as a lightweight, low-ceremony intake list. Anything that clearly earns a core/ or studies/ slot graduates out into its own submodule + README row; anything that’s clearly a personal tool stays here as a record, not promoted.
Outcome
Open — ongoing.
Related
- [[Instantly-Synced-Team-Folder-Nextcloud-vs-Alternatives]]