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SDF.ORG

SDF.ORG✓ Add us as a preferred source on Google

Mastodon @sdf@mastodon.sdf.org
⚔ Compare ☆ Follow Own this channel?
🔄 Data last refreshed 17 days ago
🤝

Make a deal with SDF.ORG

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $106→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards depth over one-liners. $265→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Authenticity is the only ad this audience tolerates. $138→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the month. $318/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month — native and low-key. $159/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — distribution with zero content lift. $212/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules and a welcome shout. A goodwill buy that keeps our community running. $265/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between communities. Swap or paid→ 🎬UGC HireBranded content for your own channels & ads from $62→ 🎙️Podcast guest spotInvite SDF.ORG onto your podcast (~45 min, remote) $75→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
17.6K
Account age
9 yrs
🎁 Free analysisfor SDF.ORG
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

📊 Post engagement

Recent posts · likes + reposts
Jul 1latest
27
Avg engagement / post
23–29
Typical post (engagement)
0.2%
Engagement vs followers
74/100
Very consistent reach
May 2017
On Mastodon since
Half of recent posts land between 23 and 29 likes + reposts (median 26) — a dependable floor a sponsored post can count on.

🔥 Top post: NetBSD is a free UNIX-like system with roots in BSD. It is good · 69 likes + reposts

📊 Activity & format

Posting cadence
2.2 / week
Posts several times a week.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
131×
Follows 135 back. A strong ratio — an audience that follows them, not a follow-for-follow network.

Recent posts

View on Mastodon ↗
🔥 Top post NetBSD is a free UNIX-like system with roots in BSD. It is good to always have alternatives - please consider following @netbsd and see what the #community is up to. #bsd #unix #netbsd ★ 69
Welcome to #mastodon v4.6.5 ★ 19 RE: https://mastodon.sdf.org/@fvzappa/117000816894194888 A Xerox ALTO is going on the road in 2026! ★ 26 Welcome to #Mastodon v4.6.4 ★ 23 Welcome to #mastodon v4.6.3 #fediverse ★ 33 RE: https://mastodon.sdf.org/@Aphelion/116954038645759561 Channel your inner Carl Sagan here. ★ 3 Welcome to #mastodon v4.5.13 ★ 29 Here are a few #fediverse folks to follow! @mntmn - Regular MNT updates @netbsd - NetBSD Foundation (free unix-like portable OS) @Aphelion - Prolific Poet: Michelle @icm - Interim Computer Museum (Seattle) @lardmotel - Tom Ellard Severed … ★ 41 We're live streaming the PDP-10 (KI10) at Interim Computer Museum today. #vintagecomputing #retrocomputing #restoration #TTL https://www.twitch.tv/interimcomputermuseum ★ 24 Welcome to #mastodon v4.4.20 ★ 24 Welcome to #mastodon v4.4.19 ★ 27 Get your daily dose of gothy poetry from @Aphelion a creator and honest force of light here on our #fediverse - you will love to have them on your #feed and support their #creativity #poetry #poet #follow #mastodon #community ★ 10

🐘 Community & instance

Home server
mastodon.sdf.org
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
May 2017
An OG fediverse account from Mastodon's early years — a long, established presence.

💡 Facts

🗓️Joined Mastodon in 2017 — 9 years ago.
👁️Averages 27 views per post.
📤Posts about 2.2× per week.
🏅Earned the 10K Followers for passing 10K followers.

🕵️ Fake follower check

Estimated
81/100
Excellent Credibility score
97%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 97% real, active audience · Low fake-follower risk.
  • Engagement (~0.2% of followers engage each post) is around typical for Mastodon.
  • Organic base — far more followers than accounts it follows.
  • Verified account.
  • Established account (9+ years old).

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

SDF Public Access UNIX System - https://sdf.org Join Echolink 9229 NET Mondays 0000 UTC OpenVoIP Daily at 0200 UTC OpenMiC Daily at 0300-0600 UTC https://aNONradio.net

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

david roberts david roberts 18% the grugq the grugq 18% Philip Bump Philip Bump 16% Sascha Pallenberg 🇹🇼 ♻️ ⚡ Sascha Pallenberg 🇹🇼 ♻️ ⚡ 13% Ionica Smeets Ionica Smeets 11% Laurence De Cock Laurence De Cock 10%

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Laurence De Cock
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Frequently asked questions

How much does SDF.ORG charge for a sponsorship?
SDF.ORG hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact SDF.ORG for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify SDF.ORG, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does SDF.ORG have?
SDF.ORG has 17,644 followers on Mastodon.

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