Looking for a PuTTY alternative? Here's the honest comparison.
PuTTY is 27 years old, weighs about a megabyte, and still works. If you SSH into one machine once a week, keep it — sincerely. But if you live in remote sessions across multiple hosts, you're probably also running WinSCP, googling command flags, and re-typing passwords off a note. AidaIDE replaces that whole pile with one free workspace.
AidaIDE vs PuTTY at a glance
| Capability | PuTTY | PuTTY + WinSCP + notes | AidaIDE (Free) |
|---|---|---|---|
| SSH terminal | Yes | Yes | Yes — tabbed, 10k scrollback |
| Tabs / multiple sessions in one window | No (one window per host) | No | Yes |
| SFTP file browsing + transfer | psftp (command line) | Yes (separate app + login) | Yes — same session, dual pane |
| Edit remote files in place | No | Download → edit → re-upload | Yes — open, edit, save to server |
| Encrypted credential vault | No (Pageant for keys only) | WinSCP stores, weakly by default | AES-256 vault, one unlock |
| Command library | No | No (that's the Google tab) | LCOT — thousands of plain-English phrases, one click |
| Jump hosts / legacy device fallback | Manual config | Manual | Built in |
| Serial console | Yes | Yes | Yes, with live plotter |
| Portable single ~1 MB binary | Yes | No | No — it's a full desktop app |
| Price | Free | Free | Free forever (no license key) |
The honest version: PuTTY wins on weight and portability. AidaIDE wins the moment your work spans more than one host, more than one window, or more than one command you keep re-googling.
What "one workspace" actually changes
Your credentials stop living on sticky notes
Hosts go into an AES-256 encrypted vault once — address, user, key or password. One vault unlock per session, then every connection is a click. PuTTY never solved this; it wasn't its job.
The Google tab becomes a button panel
LCOT sits next to your terminal with thousands of plain-English phrases mapped to vetted commands — "show disk usage", "list failing services", "capture packets on eth0". Read-only commands are marked safe, so you're not pasting mystery strings from a forum into a production box.
Files and shell share one context
The file browser is attached to the same host session as your terminal. Open a config, edit with syntax highlighting, save — it's on the server. No second app, no second login, no download folder full of nginx.conf(3).bak.
When you should stick with PuTTY
- You need a portable client on a USB stick or a locked-down machine — PuTTY's single binary is unbeatable there.
- You SSH somewhere once a month. Installing a workspace for that is overkill.
- You're on a system where installing software needs a change request and three approvals — keep PuTTY, bookmark us for later.
Everyone else — the people with five terminals open right now — is who AidaIDE was built for.
Frequently asked
Is it actually free?
Yes. The entire SSH + SFTP workspace — terminal, vault, file browser, saved sessions, even the unlimited-device fleet manager — is free forever. No license key, no trial clock. A paid Pro tier exists for the optional AI features; it never gates the basics.
Windows only?
Windows, macOS, and Linux. The Windows build is the most battle-tested.
What about my existing PuTTY sessions?
Adding your host list to the vault takes a few minutes, and it's the last time you'll set them up anywhere.
Try the workspace your terminals deserve
Free forever · no license key · Windows, macOS, Linux
Sign Up Free — DownloadAlso replacing WinSCP? Read the WinSCP comparison · New to remote work? SSH into a Raspberry Pi from Windows